The Wonder Weeks - Baby leaps

Name: The Wonder Weeks - Baby leaps
Rating: 4.8 (121654 reviews)
Author: Domus Technica

Track and understand baby development through personalized leap schedules and playtime.

by Domus Technica

iPhone · iPad · Android

Active Last checked 30 Aug 2026

App Store ↗ Google Play ↗

Quick verdict

What it is: The Wonder Weeks app helps parents understand and track their baby's mental development through 10 leaps in the first 20 months. It provides a personalized leap schedule, automatic notifications, and playtime games to stimulate new skills.
Best for: new parents
parents with babies under 20 months
At a glance: From $4.99/mo
Free to download
In-app purchases

Categories and search queries

Official categories

Health & Fitness
Parenting
Lifestyle

AppCorpus categories

Key functions

Function	Availability	Access	Scope	Evidence
Free app	Yes	Free	—	Store published
In-app purchases	Yes	Limited free	—	Store published

Screens

App Store Google Play

18 store screenshots

The Wonder Weeks - Baby leaps ipad screenshot 1

The Wonder Weeks - Baby leaps ipad screenshot 2

The Wonder Weeks - Baby leaps ipad screenshot 3

The Wonder Weeks - Baby leaps ipad screenshot 4

24 store screenshots

The Wonder Weeks - Baby leaps android screenshot 1

The Wonder Weeks - Baby leaps android screenshot 2

The Wonder Weeks - Baby leaps android screenshot 3

The Wonder Weeks - Baby leaps android screenshot 4

Pricing & paywalls

App Store Google Play

24 Months subscription — $1.99/month
24 Months subscription — $4.99/month
24 Months subscription — $9.99/quarter
24 Months subscription — $34.99/month
eBook - Chapter 1 — $0.99
eBook - Chapter 2 — $0.99
eBook - Chapter 3 — $0.99
eBook - Chapter 4 — $0.99
eBook - Chapter 5 — $0.99

Last verified 30 Aug 2026

Free to download
In-app purchases

Last verified 1 Aug 2026

Ratings & reviews

App Store Google Play

4.8 121654 ratings · App Store

5/5Highly Recommend
We’re loving this app. We’ve used it since the very beginning. Even if you don’t get to use every feature, the info alone is spot on. My daughter is routinely in the 2 week margin ahead of schedule but we think now, this last leap or two (currently ending leap 6) she’s more in line with the typical timeline. We’ve recommended it to so many parents. I’ve heard someone say leaps aren’t evidence based but it’s working for us. I think the concern is it replaces profesional advice. Of course if you have concerns always communicate with your pediatrician but it still helps give us a little glimpse into understanding what could be behind her different moods. And even if you don’t agree with all of THAT info, the tips and suggest on how to utilize each leap and work with their development is super helpful! I feel like I don’t do enough to stimulate her or support her development and this really feels like I’m taking advantage of all her new skills and abilities. This is just as important to my husband and me as the week by week “your baby today” updates and descriptions.

Lexi2192 · 30 Aug 2026
3/5Good app, update threw me off
The leap schedule alone is def worth the $4, the sanity it gives is priceless. Knowing that the stormy period will come to an end and your baby will go back to the sweet angel they once were is such a relief! I found that to be the most helpful and useful part of the ap. Leap 4 was awful but it ended exactly on the day it said it would. We were both about to loose our minds. Im a first time parent and the ap updated just before leap 5, i like the new look and format but not the the interactive parts. Like other reviewers the diary part is not useful, I really don't have time for that. Much preferred the previous way clicking off each task when accomplished. Im often interrupted and like being able to pick up where left off. Developer, please can you double check the skills? Leap 6 says baby will ASK someone to sing a song & understand the names of animals.. baby is not close to being that verbal.. im wondering if something glitched. Also I tried to use the nap tracker and its more trouble than its worth. Have to be able to pick up where i left off, not enter start and end at once.. or all naps. I tried to do it as the day went and it didnt add the total time together. i can barely remember how many time i fed baby last night. Please make things as simple as possible, my brain capacity is limited to most crucial items or not at all.

MagsD810 · 30 Aug 2026
1/5App is too complicated and redundant
Not worth paying for this. There are so many options and every time I log into the app it seems like I am asked to do a homework assignment! Not concise and they give basically every option under the sun — your child may do this or this or the other thing, basically just equivocating, and in the end you just end up telling the app what your baby is doing and not the other way around (what your baby should be doing). I understand different babies develop differently, but honestly nothing insightful from this app. My advice is just enjoy your child and you don’t need this app. **Updated to 1 star from 2 star for the poor response from developer which do not acknowledge the flaws in the app, rather trying to defend it. App may have allegedly helped thousands of parents. Just didn’t help me (and may not help you) hence my honest objective review based on my personal experience. That’s how reviews work, the stars average out based on everyone’s personal experience. See other low star independent reviews that express the same sentiment as I have. Honestly only after leaving my review did I see others like mine and was perhaps not surprised they describe the same frustrations with the app. The UX leaves much to be desired. My advice is just check in with your pediatrician about your child’s development as we did (and as you should) rather than waste time/money on this app.

mxtaug · 30 Aug 2026
5/5My only parenting advice
I don't like to give a lot of parenting advice, but this app is one thing I tell every mom I know about. I'm on my 4th baby, and this app has been so dead on for us for every single child. I am so glad I found this with my first child because it has saved me from so much unnecessary anxiety, and most importantly allowed me to enjoy every part of my babies because I know the rough parts end. And thanks to this app I know almost exactly when they will end, lol! But seriously, prior to understanding what leaps were, I would think we were finally getting the hang of things, only to be wondering why my baby was suddenly so unhappy with everything he seemed to be happy with for weeks before. I wondered what I had changed, or what I was doing wrong. After I learned about leaps I understood that it wasn't about what I was doing, it was about what his brain was doing. I particularly love the alerts that warn you ahead of time that your baby is approaching a time when he might be more cranky than usual.

MaKaOma · 30 Aug 2026
3/5I have to create a new account to change my email?!
Decent enough app. Changing my email just about sent me over the edge though. You have to log out and create a new account and then load a backup from the new account. If you have not created a backup, then you have to log out from the new account, log back in to the old account, and save a backup. Then log out again and log in again to the new account. Then go to account settings and select backup/restore and select restore. HOWEVER, if you have automatic backups turned on, turn it off BEFORE logging in to the new account. Otherwise, as soon as you log back in to the new account it will back up the dummy baby you have to create when creating a new account. Did customer support help me with this? No, they did not. They made it sound very simple and did not provide me with any instructions. I had to figure all of this out on my own. The one good thing is that I purchased my subscription through my Apple ID, so I didn’t have to worry about paying again. At least there’s that. Very frustrating process though, and has soured me on the app a bit tbh.

twoarmscollin · 30 Aug 2026

3.8 3641 ratings · Google Play

1/5
enjoyed it for the first child, paid for the full version. they have since switched to a subscription model and will not allow those who paid one time forever that is not forever. horrible product, do not recommend.

Alex · 1 Aug 2026
1/5
it's all behind a paywall.

A. B. · 1 Aug 2026
2/5
paid app

Rach · 1 Aug 2026
1/5
this app is useless, there is not enough information on each leap, the calendar cuts off dates so I can't see when the next fussy phase starts, not worth $1 I might as well have just googled the leaps , it gives much more information. I want a refund

Lj M · 1 Aug 2026
1/5
Bought this app with my first born in 2023, then it wasnt a subscription but you just purchased the app and that was it. Now we can't use for my second due to the subscription model. They should have grandfathered in people that have previously purchased the app. Wasted money. They didnt even give me credit in the amount I paid for the app towards the subscription. Sad it was a good app.

Haley cox · 1 Aug 2026

Privacy & accessibility

App Store Google Play

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Data Linked to You — Analytics — Contact Info — Email Address Developer declared
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Data Linked to You — App Functionality — User Content — Other User Content Developer declared
Data Linked to You — App Functionality — User Content — Photos or Videos Developer declared
Data Linked to You — Third-Party Advertising — Identifiers — Device ID Developer declared
Data Linked to You — Contact Info Developer declared
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Data Used to Track You — Contact Info — Email Address Developer declared
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Accessibility

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Privacy

Data collected — Account management — Personal info — Email address Developer declared
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Data collected — App functionality — App activity — Other user-generated content Developer declared
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Data collected — App functionality — Personal info — Name Developer declared
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Data shared — Analytics, Advertising or marketing — App activity — Installed apps Developer declared
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Data shared — Analytics, Fraud prevention, security, and compliance — Location — Approximate location Developer declared
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Security practices — Your data is transferred over a secure connection — Data is encrypted in transit Developer declared
Security practices — The developer provides a way for you to request that your data be deleted — You can request that data be deleted Developer declared

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Versions

App Store Google Play

12.1.8
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.0
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.1
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.2
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.3
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.4
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.5
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.7
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.2.8
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.0
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.1
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.10
Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. Enjoy the support of a community of parents like you!
12.3.11
Bugfix and performance improvements
12.3.12
Bugfix and performance improvements
12.3.14
Bugfix and performance improvements
12.3.15
Bugfix and performance improvements
12.3.16
Bugfix and performance improvements
12.3.17 · 21 Jul 2026
We’ve made a few minor improvements and fixed some bugs for a better app experience.
12.3.18
We’ve made a few minor improvements and fixed some bugs for a better app experience.
12.3.19 · 13 Aug 2026
We’ve made a few minor improvements and fixed some bugs for a better app experience.
12.3.2
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.3
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.5
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.6
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.7
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.8
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!
12.3.9
The BIGGEST update of "The Wonder Weeks" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!

Show more Show less

12.3.17 · 20 Jul 2026

Alternatives

Huckleberry: Baby Tracker — Same category + similar ratings
CDC's Milestone Tracker — Same category + similar ratings
Nara Baby & Pregnancy Tracker — Same category + similar ratings
Baby + | Your Baby Tracker — Same category + similar ratings
Baby Tracker - Newborn Log — Same category + similar ratings
Count the Kicks! — Same category + similar ratings

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Data quality & evidence

Page completeness: Independent summary published
Last verified: 30 Aug 2026
Sources: App Store, Google Play

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Compare The Wonder Weeks - Baby leaps with Huckleberry: Baby Tracker.

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      "reviews": [
        {
          "rating": 5,
          "title": "Highly Recommend",
          "body": "We’re loving this app. We’ve used it since the very beginning. Even if you don’t get to use every feature, the info alone is spot on. My daughter is routinely in the 2 week margin ahead of schedule but we think now, this last leap or two (currently ending leap 6) she’s more in line with the typical timeline. We’ve recommended it to so many parents. I’ve heard someone say leaps aren’t evidence based but it’s working for us. I think the concern is it replaces profesional advice. Of course if you have concerns always communicate with your pediatrician but it still helps give us a little glimpse into understanding what could be behind her different moods. And even if you don’t agree with all of THAT info, the tips and suggest on how to utilize each leap and work with their development is super helpful! I feel like I don’t do enough to stimulate her or support her development and this really feels like I’m taking advantage of all her new skills and abilities. This is just as important to my husband and me as the week by week “your baby today” updates and descriptions.",
          "author": "Lexi2192",
          "date": "30 Aug 2026"
        },
        {
          "rating": 3,
          "title": "Good app, update threw me off",
          "body": "The leap schedule alone is def worth the $4, the sanity it gives is priceless. Knowing that the stormy period will come to an end and your baby will go back to the sweet angel they once were is such a relief! I found that to be the most helpful and useful part of the ap. Leap 4 was awful but it ended exactly on the day it said it would. We were both about to loose our minds. Im a first time parent and the ap updated just before leap 5, i like the new look and format but not the the interactive parts. Like other reviewers the diary part is not useful, I really don't have time for that. Much preferred the previous way clicking off each task when accomplished. Im often interrupted and like being able to pick up where left off. Developer, please can you double check the skills? Leap 6 says baby will ASK someone to sing a song & understand the names of animals.. baby is not close to being that verbal.. im wondering if something glitched. Also I tried to use the nap tracker and its more trouble than its worth. Have to be able to pick up where i left off, not enter start and end at once.. or all naps. I tried to do it as the day went and it didnt add the total time together. i can barely remember how many time i fed baby last night. Please make things as simple as possible, my brain capacity is limited to most crucial items or not at all.",
          "author": "MagsD810",
          "date": "30 Aug 2026"
        },
        {
          "rating": 1,
          "title": "App is too complicated and redundant",
          "body": "Not worth paying for this. There are so many options and every time I log into the app it seems like I am asked to do a homework assignment! Not concise and they give basically every option under the sun — your child may do this or this or the other thing, basically just equivocating, and in the end you just end up telling the app what your baby is doing and not the other way around (what your baby should be doing). I understand different babies develop differently, but honestly nothing insightful from this app. My advice is just enjoy your child and you don’t need this app. **Updated to 1 star from 2 star for the poor response from developer which do not acknowledge the flaws in the app, rather trying to defend it. App may have allegedly helped thousands of parents. Just didn’t help me (and may not help you) hence my honest objective review based on my personal experience. That’s how reviews work, the stars average out based on everyone’s personal experience. See other low star independent reviews that express the same sentiment as I have. Honestly only after leaving my review did I see others like mine and was perhaps not surprised they describe the same frustrations with the app. The UX leaves much to be desired. My advice is just check in with your pediatrician about your child’s development as we did (and as you should) rather than waste time/money on this app.",
          "author": "mxtaug",
          "date": "30 Aug 2026"
        },
        {
          "rating": 5,
          "title": "My only parenting advice",
          "body": "I don't like to give a lot of parenting advice, but this app is one thing I tell every mom I know about. I'm on my 4th baby, and this app has been so dead on for us for every single child. I am so glad I found this with my first child because it has saved me from so much unnecessary anxiety, and most importantly allowed me to enjoy every part of my babies because I know the rough parts end. And thanks to this app I know almost exactly when they will end, lol! But seriously, prior to understanding what leaps were, I would think we were finally getting the hang of things, only to be wondering why my baby was suddenly so unhappy with everything he seemed to be happy with for weeks before. I wondered what I had changed, or what I was doing wrong. After I learned about leaps I understood that it wasn't about what I was doing, it was about what his brain was doing. I particularly love the alerts that warn you ahead of time that your baby is approaching a time when he might be more cranky than usual.",
          "author": "MaKaOma",
          "date": "30 Aug 2026"
        },
        {
          "rating": 3,
          "title": "I have to create a new account to change my email?!",
          "body": "Decent enough app. Changing my email just about sent me over the edge though. You have to log out and create a new account and then load a backup from the new account. If you have not created a backup, then you have to log out from the new account, log back in to the old account, and save a backup. Then log out again and log in again to the new account. Then go to account settings and select backup/restore and select restore. HOWEVER, if you have automatic backups turned on, turn it off BEFORE logging in to the new account. Otherwise, as soon as you log back in to the new account it will back up the dummy baby you have to create when creating a new account. Did customer support help me with this? No, they did not. They made it sound very simple and did not provide me with any instructions. I had to figure all of this out on my own. The one good thing is that I purchased my subscription through my Apple ID, so I didn’t have to worry about paying again. At least there’s that. Very frustrating process though, and has soured me on the app a bit tbh.",
          "author": "twoarmscollin",
          "date": "30 Aug 2026"
        }
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    },
    {
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      "average": 3.81,
      "count": 3641,
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      "observed_at": "2026-08-30",
      "reviews": [
        {
          "rating": 1,
          "title": "",
          "body": "enjoyed it for the first child, paid for the full version. they have since switched to a subscription model and will not allow those who paid one time forever that is not forever. horrible product, do not recommend.",
          "author": "Alex",
          "date": "1 Aug 2026"
        },
        {
          "rating": 1,
          "title": "",
          "body": "it's all behind a paywall.",
          "author": "A. B.",
          "date": "1 Aug 2026"
        },
        {
          "rating": 2,
          "title": "",
          "body": "paid app",
          "author": "Rach",
          "date": "1 Aug 2026"
        },
        {
          "rating": 1,
          "title": "",
          "body": "this app is useless, there is not enough information on each leap, the calendar cuts off dates so I can't see when the next fussy phase starts, not worth $1 I might as well have just googled the leaps , it gives much more information. I want a refund",
          "author": "Lj M",
          "date": "1 Aug 2026"
        },
        {
          "rating": 1,
          "title": "",
          "body": "Bought this app with my first born in 2023, then it wasnt a subscription but you just purchased the app and that was it. Now we can't use for my second due to the subscription model. They should have grandfathered in people that have previously purchased the app. Wasted money. They didnt even give me credit in the amount I paid for the app towards the subscription. Sad it was a good app.",
          "author": "Haley cox",
          "date": "1 Aug 2026"
        }
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          "source": "Developer declared"
        },
        {
          "title": "Data Not Linked to You",
          "detail": "Sensitive Info",
          "source": "Developer declared"
        },
        {
          "title": "Data Not Linked to You",
          "detail": "Usage Data",
          "source": "Developer declared"
        },
        {
          "title": "Data Used to Track You",
          "detail": "Contact Info — Email Address",
          "source": "Developer declared"
        },
        {
          "title": "Data Used to Track You",
          "detail": "Contact Info",
          "source": "Developer declared"
        },
        {
          "title": "Data Used to Track You",
          "detail": "Identifiers — Device ID",
          "source": "Developer declared"
        },
        {
          "title": "Data Used to Track You",
          "detail": "Identifiers",
          "source": "Developer declared"
        }
      ],
      "accessibility": []
    },
    {
      "store": "gplay",
      "declarations": [
        {
          "title": "Data collected",
          "detail": "Account management — Personal info — Email address",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "Account management — Personal info — User IDs",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "Analytics — App activity — App interactions",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "Analytics — App info and performance — Crash logs",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "Analytics — App info and performance — Diagnostics",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "App functionality — App activity — Other user-generated content",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "App functionality — Files and docs",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "App functionality — Personal info — Name",
          "source": "Developer declared"
        },
        {
          "title": "Data collected",
          "detail": "App functionality — Photos and videos — Photos",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Advertising or marketing — App activity — Installed apps",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — App activity — Other actions",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — App info and performance — Diagnostics",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — App info and performance — Other app performance data",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — Device or other IDs",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — Financial info — Purchase history",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — Location — Approximate location",
          "source": "Developer declared"
        },
        {
          "title": "Data shared",
          "detail": "Analytics, Fraud prevention, security, and compliance — Personal info — User IDs",
          "source": "Developer declared"
        },
        {
          "title": "Security practices",
          "detail": "Your data is transferred over a secure connection — Data is encrypted in transit",
          "source": "Developer declared"
        },
        {
          "title": "Security practices",
          "detail": "The developer provides a way for you to request that your data be deleted — You can request that data be deleted",
          "source": "Developer declared"
        }
      ],
      "accessibility": []
    }
  ],
  "changes": [
    {
      "store": "apple",
      "version": "12.1.8",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.0",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.1",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.2",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.3",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.4",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.5",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.7",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.2.8",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.3.0",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.3.1",
      "released_at": null,
      "notes": "The BIGGEST update of \"The Wonder Weeks\" app ever! Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. You are now able to do just that in our app thanks to the introduction of our own Community. Get in touch with other people who have a baby, share your experiences, learn from others and, most of all, support each other! Enjoy the new features!"
    },
    {
      "store": "apple",
      "version": "12.3.10",
      "released_at": null,
      "notes": "Many people are quite overwhelmed by the leaps and all the other things that happen during the first 20 months after the birth of their baby. We noticed that people have real need for and draw a lot of support from being able to discuss their concerns with other people. Enjoy the support of a community of parents like you!"
    },
    {
      "store": "apple",
      "version": "12.3.11",
      "released_at": null,
      "notes": "Bugfix and performance improvements"
    },
    {
      "store": "apple",
      "version": "12.3.12",
      "released_at": null,
      "notes": "Bugfix and performance improvements"
    },
    {
      "store": "apple",
      "version": "12.3.14",
      "released_at": null,
      "notes": "Bugfix and performance improvements"
    },
    {
      "store": "apple",
      "version": "12.3.15",
      "released_at": null,
      "notes": "Bugfix and performance improvements"
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    {
      "store": "apple",
      "version": "12.3.16",
      "released_at": null,
      "notes": "Bugfix and performance improvements"
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    {
      "store": "apple",
      "version": "12.3.17",
      "released_at": "2026-07-21",
      "notes": "We’ve made a few minor improvements and fixed some bugs for a better app experience."
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    {
      "store": "apple",
      "version": "12.3.18",
      "released_at": null,
      "notes": "We’ve made a few minor improvements and fixed some bugs for a better app experience."
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    {
      "store": "apple",
      "version": "12.3.19",
      "released_at": "2026-08-13",
      "notes": "We’ve made a few minor improvements and fixed some bugs for a better app experience."
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      "store": "gplay",
      "version": "12.3.17",
      "released_at": "2026-07-20",
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    {
      "app_id": 1169136078,
      "name": "Huckleberry: Baby Tracker",
      "url": "https://appcorpus.com/apps/huckleberry-baby-tracker-1169136078",
      "reason": "Same category + similar ratings"
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    {
      "app_id": 1232718688,
      "name": "CDC's Milestone Tracker",
      "url": "https://appcorpus.com/apps/cdc-s-milestone-tracker-1232718688",
      "reason": "Same category + similar ratings"
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    {
      "app_id": 1444639029,
      "name": "Nara Baby & Pregnancy Tracker",
      "url": "https://appcorpus.com/apps/nara-baby-pregnancy-tracker-1444639029",
      "reason": "Same category + similar ratings"
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    {
      "app_id": 1093774002,
      "name": "Baby + | Your Baby Tracker",
      "url": "https://appcorpus.com/apps/baby-your-baby-tracker-1093774002",
      "reason": "Same category + similar ratings"
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    {
      "app_id": 779656557,
      "name": "Baby Tracker - Newborn Log",
      "url": "https://appcorpus.com/apps/baby-tracker-newborn-log-779656557",
      "reason": "Same category + similar ratings"
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    {
      "app_id": 844800332,
      "name": "Count the Kicks!",
      "url": "https://appcorpus.com/apps/count-the-kicks-844800332",
      "reason": "Same category + similar ratings"
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  "evidence_summary": {
    "index_state": "S2",
    "evidence_level": 2,
    "level_label": "Independent summary published",
    "indexable": true,
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    "data_cutoff": "30 Aug 2026"
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}