AppCorpus
Market US

Willow®

by Willow Innovations, Inc.

iPhone

Active Last checked 31 Jul 2026

Quick verdict

What it is
Store information collected; independent summary not yet available.
At a glance
  • Free to download

Categories and search queries

Official categories

AppCorpus categories

Key functions

Function Availability Access Scope Evidence
Free app Yes Free Store published

Screens

App Store

11 store screenshots

Willow® iphone screenshot 1
Willow® iphone screenshot 2
Willow® iphone screenshot 3
Willow® iphone screenshot 4

Pricing & paywalls

App Store

  • Free

Ratings & reviews

App Store

4.5 2634 ratings · App Store

  1. 5/5Pumping to Induce Labor

    I went back and forth for months before having my baby trying to research which would be the best pump option for me and finally landed on the wireless Willow pump. While it had been great what I did not anticipate was how much I would use it Before my baby’s arrival. I used them while bouncing on a birthing ball or walking and cooking trying to help induce labor which I did not foresee needing to do at all. The wireless option was so perfect for that. They are easy to put in a bra (tho not discrete) and continue with life which I was very much trying to do to prep for whenever the baby did come. They have been really great since having her as well as I’m not tethered to any one place. But I didn’t see any reviews talking about pumping prior to delivery so I thought I would add my review for that perspective.

    Sjcush · 31 Jul 2026

  2. 2/5Pros and Cons

    It’s expensive and the products are continuously faulty. I haven’t had the products for long and I believe since I use the dishwasher it causes the smallest magnet on the back of the containers to perhaps melt the plastic around it which I believe is what causes the pump to malfunction or sometimes not work at all. There are times when the pump gets stuck and has to be reset multiple times for it to work. This started about a month in. For the price I expect the mishaps to be every once in a while but not as often as they happen. When the pumps fill up to their max line limit and I try the flip to finish it has spilled out and I’ve lost well over an ounce of my precious liquid gold. This has happened on multiple occasions. I’m an engineer so based on my professional background the products are being sold as if they’re top shelf and they really aren’t. Were paying for the fancy marketing and boxes which look nice don’t get me wrong but the product itself should be the real winner here. They’ve also split up the replacement parts to where you can’t just buy a whole separate container but instead purchase piece by piece which makes no sense to me. If you want an extra set of containers expect to spend an extra hundred bucks. And you’ll need to because the parts start needing to be replaced within a month or so. It’s also very hard plastic so not very environmentally friendly to be having to replace them in such a short period of time. Then there is the carrying case, thermos, etc., all of which are also pricey. There are design tweaks that need to be made to bring this product to higher quality to meet their standards. Overall the product is ok in my opinion.

    Queen luli · 31 Jul 2026

  3. 1/5Buggy

    This review is for the Willow Go. I like the features the app provides but the app is extremely buggy and ruins the user experience. The battery level never displays as full even when fully charged (pump is brand new), and will sometimes change on relaunching the app. The pump timer feature is great but 90% of the time it will only stop one of the pumps at the end of the timer, and then the time counts back upward from the set time. Suction strength setting is also great but it defaults back to manual almost every time I open the app. I have to toggle back to it in the settings to get it to follow the program. Finally, the app takes forever to connect to the pumps and half the time it will only connect to one of them. The only fix is to force close and relaunch the app. The app would be awesome if these issues were fixed. I am using the most up to date version of all software and firmware, and on a new iPhone. The fact that these features work as they seem they should only occasional makes me think they are just bugs that can conceivably be fixed if Willow really wanted a good user experience. Given how longstanding the complaints over the app seem to be, I’m unsure how interested they really are in this, which is lame, but I eagerly await any improvement.

    Kfossil · 31 Jul 2026

  4. 4/5Great pump

    I really love this pump. I have tried many and this is by far my favorite. It’s great for women with elastic nipples. I also really love the app it takes the guess work out of figuring out how many ounces you’ve pumped in a day, for how long and how many times you’ve actually pumped. Update. So while I still do love the pump the app not so much. So with the pump I had to buy 27mm flanges the don’t stay flush on the units unless they’re in my bra. As o they’re fine. But the app delete my info. I’m so annoyed because that’s how I keep track of my progress. I don’t know if the app is glitching but there’s a lag and all my info is gone

    Bcarter3 · 31 Jul 2026

  5. 3/5App issues

    I love my pumps and intended “smartness” of the app. Although I do think the app needs some attention; if you don’t connect your pumps at the beginning of your session it does not keep track of the session timer for you and will continue pumping. The session history screens glitch and most times i just write in my notes app my output to put in the app at a later time. another thing is the bluetooth - if i pump in the car my pumps mess up my bluetooth pairing for my music and make my songs sound like a broken cd. lastly, if you don’t connect you pumps to the app at beginning of session then they will stay on the lowest suction the whole pump and output nothing. again rated 3 stars because i love my pumps but the app is pretty close to useless.

    great pumps, terrible app · 31 Jul 2026

Privacy & accessibility

App Store

Privacy

  • Data Linked to You — Analytics — Contact Info — Email Address Developer declared
  • Data Linked to You — Analytics — Diagnostics — Crash Data Developer declared
  • Data Linked to You — Analytics — Diagnostics — Other Diagnostic Data Developer declared
  • Data Linked to You — Analytics — Diagnostics — Performance Data Developer declared
  • Data Linked to You — Analytics — Health & Fitness — Health Developer declared
  • Data Linked to You — Analytics — Identifiers — Device ID Developer declared
  • Data Linked to You — Analytics — Identifiers — User ID Developer declared
  • Data Linked to You — Analytics — Location — Coarse Location Developer declared
  • Data Linked to You — Analytics — Sensitive Info Developer declared
  • Data Linked to You — Analytics — Usage Data — Other Usage Data Developer declared
  • Data Linked to You — Analytics — Usage Data — Product Interaction Developer declared
  • Data Linked to You — App Functionality — Contact Info — Email Address Developer declared
  • Data Linked to You — App Functionality — Contact Info — Name Developer declared
  • Data Linked to You — App Functionality — Contact Info — Other User Contact Info Developer declared
  • Data Linked to You — App Functionality — Contact Info — Phone Number Developer declared
  • Data Linked to You — App Functionality — Contact Info — Physical Address Developer declared
  • Data Linked to You — App Functionality — Diagnostics — Crash Data Developer declared
  • Data Linked to You — App Functionality — Diagnostics — Other Diagnostic Data Developer declared
  • Data Linked to You — App Functionality — Diagnostics — Performance Data Developer declared
  • Data Linked to You — App Functionality — Financial Info — Payment Info Developer declared
  • Data Linked to You — App Functionality — Health & Fitness — Health Developer declared
  • Data Linked to You — App Functionality — Identifiers — Device ID Developer declared
  • Data Linked to You — App Functionality — Identifiers — User ID Developer declared
  • Data Linked to You — App Functionality — Location — Coarse Location Developer declared
  • Data Linked to You — App Functionality — Purchases — Purchase History Developer declared
  • Data Linked to You — App Functionality — Sensitive Info Developer declared
  • Data Linked to You — App Functionality — Usage Data — Advertising Data Developer declared
  • Data Linked to You — App Functionality — Usage Data — Other Usage Data Developer declared
  • Data Linked to You — App Functionality — Usage Data — Product Interaction Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Contact Info — Email Address Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Contact Info — Name Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Health & Fitness — Health Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Identifiers — Device ID Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Identifiers — User ID Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Sensitive Info Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Usage Data — Advertising Data Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Usage Data — Other Usage Data Developer declared
  • Data Linked to You — Developer’s Advertising or Marketing — Usage Data — Product Interaction Developer declared
  • Data Linked to You — Product Personalization — Contact Info — Email Address Developer declared
  • Data Linked to You — Product Personalization — Contact Info — Name Developer declared
  • Data Linked to You — Product Personalization — Diagnostics — Crash Data Developer declared
  • Data Linked to You — Product Personalization — Diagnostics — Performance Data Developer declared
  • Data Linked to You — Product Personalization — Health & Fitness — Health Developer declared
  • Data Linked to You — Product Personalization — Identifiers — Device ID Developer declared
  • Data Linked to You — Product Personalization — Identifiers — User ID Developer declared
  • Data Linked to You — Product Personalization — Sensitive Info Developer declared
  • Data Linked to You — Product Personalization — Usage Data — Other Usage Data Developer declared
  • Data Linked to You — Product Personalization — Usage Data — Product Interaction Developer declared
  • Data Linked to You — Third-Party Advertising — Contact Info — Email Address Developer declared
  • Data Linked to You — Contact Info Developer declared
  • Data Linked to You — Diagnostics Developer declared
  • Data Linked to You — Financial Info Developer declared
  • Data Linked to You — Health & Fitness Developer declared
  • Data Linked to You — Identifiers Developer declared
  • Data Linked to You — Location Developer declared
  • Data Linked to You — Purchases Developer declared
  • Data Linked to You — Sensitive Info Developer declared
  • Data Linked to You — Usage Data Developer declared
  • Data Used to Track You — Contact Info — Email Address Developer declared
  • Data Used to Track You — Contact Info Developer declared
  • Data Used to Track You — Diagnostics — Crash Data Developer declared
  • Data Used to Track You — Diagnostics Developer declared
  • Data Used to Track You — Identifiers — Device ID Developer declared
  • Data Used to Track You — Identifiers — User ID Developer declared
  • Data Used to Track You — Identifiers Developer declared
  • Data Used to Track You — Location — Coarse Location Developer declared
  • Data Used to Track You — Location Developer declared
  • Data Used to Track You — Sensitive Info Developer declared
  • Data Used to Track You — Usage Data — Other Usage Data Developer declared
  • Data Used to Track You — Usage Data — Product Interaction Developer declared
  • Data Used to Track You — Usage Data Developer declared

Accessibility

  • Dark Interface — SUPPORTED Store published

Versions

App Store

  • 4.0.10

    For those moms with older versions of Go pump firmware, you can now update the firmware on your Go pumps through the app.

  • 4.0.11

    Bug fixes and optimizations.

  • 4.0.12

    We have added support for updating the firmware of your Gen 3 and 360 pumps into the app as well as stability enhancements.

  • 4.0.7

    We've improved responsiveness of the suction change buttons and are continuing to enhance the reconnection process for paired pumps.

  • 4.0.8

    We've added a new "dark mode" user interface theme option! You can adjust the settings for this in Settings -> Preferences -> Theme.

  • 4.0.9

    We've made further improvements to our Bluetooth system to address connectivity issues for some users

  • 4.1.0

    Fixed an issue occurring during the creation of new user accounts

  • 4.1.1

    Fixing issues with resetting your account password and requesting account deletion

  • 4.1.10

    Added support for Willow Sync. Assorted bug fixes and improvements.

  • 4.1.2

    Introducing Ema, the first conversational AI tool specializing in women’s health, available now in the Learn and Service tabs in the Willow app. Clinically validated and trained by experts, Ema can answer questions on topics ranging from plugged ducts to periods to perimenopause. Ema is your personal pumping, feeding, and postpartum support system.

  • 4.1.3

    We're happy to introduce pumping preferences to further customize your pumping experiences. With this update, you can now save your preferred initial suction levels as well as setting pumping reminders. You can find the pumping preferences directly on the Pump tab next to the Help icon.

  • 4.1.4

    Custom pump timers are now here! You can find them within the pump preferences page.

  • 4.1.6

    Our pump timers now have an updated interface to be more user-friendly. We have also made various interface improvements and bug fixes.

  • 4.1.7

    We've adjusted the battery status displays for Go users so it will no give the false impression that it is only 75% full as soon as you start using it. We also fixed an issue where reminder timers could no longer be paused.

  • 4.1.8

    Bug fixes and minor UI enhancements

  • 4.1.9

    Bug fixes

  • 4.2

    We've re-vamped our session history tab to give greater insights and enhanced views of your pumping journey. Assorted bug fixes and improvements.

  • 4.2.1

    Added manual session entry for all pump types Introduced tracking and data visualization support for Willow Wave pump sessions

  • 4.2.2

    Fixes for intermittent issues with duration timers on Go pumps

  • 4.3.0

    Bug fixes and minor enhancements

  • 4.3.1

    Bug fixes and minor enhancements

  • 4.3.2

    Introducing SmartStash in the Willow app. Quickly and easily scan Willow Milk Bags into your digital stash. Manage your inventory of stored milk in your fridge, freezer and deep freezer.

  • 4.3.3

    Bug fixes and minor enhancements

  • 4.3.4

    Bug fixes and minor enhancements

  • 4.3.6 · 30 Jun 2026

    Bug fixes and minor enhancements

Alternatives

Availability by market

Data quality & evidence

Page completeness
Live store listing
Last verified
31 Jul 2026
Sources
App Store, Google Play

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