Calculator⁼

• Premium Yearly — $5.99/year ($0.49/mo)
• Monthly full access — $1.99/month
• Weekly Premium Access — $0.49/week
• Weekly Premium Access — $1.99/week
• Weekly Premium Access — $9.99/year ($0.83/mo)
• Lifetime Full Access — $14.99
• Limited Time Offer — $4.99
• Retro Theme Calculator' — $0.99

Last verified 30 Aug 2026

4.6 358490 ratings · App Store

1. 1/5Ads are out of control

   As other reviews note, the app is well designed and does math as expected. I also use the “ad supported” free version. I’ve been using this app for probably four years. My two concerns prompting me to look for another calculator app is indeed the (clearly getting out of control) advertising assault. I’ve never minded the typical, fairly small bottom of app advertising scroll and -OCCASIONAL- full screen advertising hit that only took one easy to see (X) to close that full page ad to continue. BUT, recent “updates” now have this app an advertising pain. Full page ads are a constant, the “X to close” discretely shaded within the ad, with another right on the heels. While I understand what free gets me, regarding the “subscription”, one it’s not cheap, and two, RECURRING not cheap is simply a full stop. The terms of service and privacy policy already spell out how much data about me this app collects and obviously resold for company revenue. Just SELL ME THE APP for a reasonable price. And be done with me. A subscription suggests constant new material and varying product. And that would be??

   NoFoolmePls · 30 Aug 2026

2. 2/5Ads keep getting worse - deleted

   I’ve been using this app for many years. It didn’t used to have ads but I understand it’s a way for the developer to recover some costs. However, the ads have become obnoxious enough that I finally deleted this app today and installed a different calculator app that has very small ads that don’t interrupt me while doing calculations. The new calculator app also has an option to remove ads for 1/3 the cost of removing them in this app. To be specific about my issues with the ads in this app, when I start up the app, there’s a splash screen then an ad encouraging me to upgrade. Once that goes away, the calculator pops up so I start doing my calculations. After a couple of seconds, the next ad pops up and some of my keystrokes are lost. Both ads are full screen so they completely lock me out from doing calculations until they’re done. It’s just not worth it when there are so many other good calculator app options in the App Store.

   gregfcarlson · 30 Aug 2026

3. 2/5Constant developer-built interruptions in PAID version

   I really wanted to love this - it’s a pretty functional little app I used to use to do calculations very quickly on my job (emphasis on QUICKLY). I liked it enough to pay $5.99/year for this version. The trouble is, the app opens (now much more slowly after a previous update) with a screen to push you to purchase their $5.99/week version. You can only click out of this window, no other options. Then after finally getting to the actual calculator and performing 1-2 functions, it gives you yet ANOTHER screen to push you to buy their premium version. There are only 2 options here: ‘download’ or ‘remind me later,’ YOU CANNOT TURN THIS OFF. I’ve checked all settings. IT TAKES FOREVER JUST TO GET TO THE ACTUAL APP. This makes it completely unusable for me, I paid to get a version with immediate access. I’d even be happy with an occasional pop-up window like other apps do. For a paid app, I don’t think it’s inappropriate to expect less built-in lag. Maybe it’ll work for others if it’s an app left open all the time (I usually close apps when I’m done with them). But for me, definitely not worth the money.

   Jane Argh · 30 Aug 2026

4. 5/5An Effective #2...

   I usually accomplish my calculating needs with a TI-30X-II-S, as it is ideal for the common trigonometry that pops up in daily life. However, if I find myself without it, yet have my iPad, then this calculator app is often the next logical option. It performs all the functions necessary with an acceptable visual interface, but my preference is for the feel of a dedicated device that almost becomes an extension of my hand. The physical touch of the entering data on a touch screen is less appealing to me, as I have to look at the screen to avoid input error; the TI allows touch familiarity, much like when operating a TV remote. For casual use, it is a solid option. For my preferences, it is my second option... for now.

   Ambient Lizard · 30 Aug 2026

5. 5/5The History Function is Simply Fantastic

   Your Calculator app is 100% the absolute best calculator app I have ever used. I have diagnosed ADHD, and trying to keep a budget can be difficult (I have literal notebooks filled with budgets from years of trying - lol). The history function & feature on your app has allowed me to go back when I forget whether I included a bill amount, and verify whether I need to recalculate. It has saved me so much time & money in my many years of using it. Your Calculator app was the first I ever tried on my very first iPad, and I have downloaded it on every iPadOS device since. It changed the way I do all financial calculations. I am just so happy to be able to support this company in any way, even just with the annual subscription to this app. Thank you for designing something simple, practical, and completely functional.

   VaryingDegreesOfRight · 30 Aug 2026

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