# Programmer's Calculator — user reviews > 25 indexed App Store user reviews of Programmer's Calculator by Yuma Kitasei, rated 4.74/5 from 845 ratings. - Source: https://appshunter.io/ios/app/programmers-calculator/id1467603958/reviews - App overview in markdown: https://appshunter.io/ios/app/programmers-calculator/id1467603958.md - Rating breakdown: 5★ 702 · 4★ 98 · 3★ 24 · 2★ 4 · 1★ 16 ## What do users think of Programmer's Calculator? Overall sentiment: positive **Pros** - 🚀 Straightforward and highly functional - 👍 Easy to use - 💡 Useful for coding and calculations - 👍 Practical for binary and hex operations - 👍 Displays decimal, binary, and hex simultaneously **Cons** - 🐛 Ads take too long to click out of - 🐛 Subscription did not remove ads - 🐛 App freezes and crashes - 🔋 High battery consumption **Commonly reported bugs** - Login screen freezes - Incompatible with older devices **Most requested features** - Add octal support - Implement RPN input mode - Add 2's complement and bit shift functions - Provide visual feedback on calculations - Allow setting number of bits - Add landscape mode support ## Newest reviews (5 of 25) ### 5/5 — Simple and Focused *2020-04-20, version 1.2.0* Does exactly what it said it would do. Great for simple binary and hex calculations! ### 4/5 — Great *2019-11-27, version 1.1* Does exactly what it should. Works great looks good. I would like to be able to remove ads for $1. ### 5/5 — clear and free *2019-11-18, version 1.1* thankyou bro ### 4/5 — Complements *2019-10-27, version 1.1* Nice app. When you have a few moments spare, how about 2’s complement, shift left/right (as well as rotate)? ### 5/5 — Great for studying computer science! *2019-10-17, version 1.1* Very helpful in my classes. ## Most critical reviews (10 lowest-rated) ### 1/5 — B *2025-10-10, version 1.2.1* F ### 1/5 — Too many adds *2024-09-18, version 1.2.1* To many adds and they take a long time to click out of. This problem makes this a nonfunctional calculator. When a person needs to make a calculation it needs to be quick. That’s the whole reason for using a calculator! ### 1/5 — Ads to support development costs!?? *2022-05-05, version 1.2.1* Its a freaking calculator, not an operating system. Stop being greedy. ### 1/5 — Subscription did nothing *2020-11-05, version 1.2.0* I got really annoyed with the ads and figured to try the subscription... took my money but didn’t get rid of the ads at all. Still pop up every time I open the app. Useless. ### 1/5 — Freezes *2020-10-15, version 1.2.0* The app was running fine until it froze in the ads. I’m uninstalling. There are others. ### 3/5 — Needs A Bit More *2024-09-16, version 1.2.1* Very good for a first version, but some key features are missing. The lack of an octal line is strange, since it seems that the developer left space for it at the top. The app also should support landscape mode, as well as the option for RPN input. ### 3/5 — Nice *2023-12-20, version 1.2.1* Nice app if all you want is a converter, it should be able to add an subtract hex numbers ### 3/5 — I want to register but can’t *2021-11-11, version 1.2.1* Amazing product, extremely useful and I love it. HOWEVER, despite subscribing/paying the negligible fee, it still gives me the advertisement and really interferes with me programming anything. I try to register but cannot. If I could make ads go away, this would be 6/5 stars. ### 3/5 — Good, needs a little work. *2020-05-01, version 1.2.0* Would be nice to provide some kind of visual feedback when a calculation has been done. Hard to know whether the output changed if your last entered number was the same as it. ### 4/5 — Excelente *2020-01-31, version 1.2.0* Buenísima muchas gracias!!!! Excellent app, so practical to do operation with binary numbers ## Most praised reviews (10 highest-rated) ### 5/5 — Awesome! *2025-10-17, version 1.2.1* I would gladly pay for this. That is, a one time payment and not with ads. Straightforward, highly functional, and easy to use. Thank you! ### 5/5 — Hello *2024-11-11, version 1.2.1* Hi ### 5/5 — Buy me a coffee link? *2023-12-13, version 1.2.1* Love that you can just switch to decimal and perform simple calculations and see the hex values. This is a great free app. Let us take care of you. ### 5/5 — Near perfect *2023-03-23, version 1.2.1* Would be great if user could set number of bits... and had 2’s comp function ### 5/5 — Useful little tool *2023-03-05, version 1.2.1* I acquired this to do some calculations in hex and some logic operations. Very useful for that purpose ### 5/5 — Awesome App *2022-05-23, version 1.2.1* It does exactly what it’s supposed to do and doesn’t have any ads. Love it and thank you!! ### 5/5 — Did the job *2021-09-08, version 1.2.1* Being able to quickly convert between bin/hex/dec was exactly what I needed. Seeing all 3 at the same time was an added benefit. ### 5/5 — Get this one *2021-07-29, version 1.2.1* 5 stars. It keeps all binary hex and decimal In front of you at all times rather than hitting a convert button. Well laid out. I’d pay for it to get rid of ads (haven’t seen any ads yet) but I’d rather just pay one amount rather than a monthly fee. Doesn’t stop me from giving 5 stars. ### 5/5 — Octal *2021-03-17, version 1.2.1* Having octal would be even nicer 👍. Good job ### 5/5 — great app *2020-09-30* helps me with my coding hw lol --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-02.*