The Best Calculator - Calc Pro

Name: The Best Calculator - Calc Pro
Rating: 4.5 (470 reviews)

★ 4.5

iOSApp Store

What it actually does10-in-1 Calculator!

55%Marketing ≈ reality25%Stability37%Live project

Actually does

⚠Построение графиков функций
⚠FX rates
⚠Currency converter
⚠Финансовый калькулятор (10 рабочих листов: ипотека, кредит, амортизация и т.д.)
⚠Статистический калькулятор с регрессией
⚠Физические константы (1500+ в 4 категориях)
⚠Расчёты даты и времени с лунными фазами
⚠Dark mode

✗App crashes on launch or won't start at all25% of mentions
«After updating on iPhone 5s, it doesn't launch at all. Crashes immediately. Can't use it!»
✗Functionality broken after updates20% of mentions
«After updating to 6.7.0, the app no longer launches on SE on 10.3.3.. and on 12.4 either!!»
✗Unable to update exchange rates (connection error)10% of mentions
«Unable to update exchange rates. Connecting via wi-fi and a cellular network does not give results.»
✗Intrusive ads in free version, including voiced announcements12% of mentions
«Ads! You have to spend time watching them! And worse, they're voiced!»
✗Calculation errors (issues with negative numbers, HEX conversion, cosine)12% of mentions
«Negative numbers are converted incorrectly. For example in decimal 1-5=-4, then convert to HEX, we get FFFC, then convert back to decimal and get 65532.»

★Excellent implementation of Reverse Polish Notation (RPN) for advanced users
«Reverse Polish Notation system is implemented excellently! Those who understand it will be delighted.»
★Huge number of features and tools in one app
«Cool functionality, lots of possibilities»
★Well-polished interface with many customization options
«This app is beautifully polished for any user. Down to color customization.»
★Convenient tool for programmers (number systems, HEX converter)
«Excellent calculator) Indispensable for programmers»
★Powerful scientific capabilities and accurate calculations
«An app that calculates degrees excellently»