Dev tools · alternatives · 2026

This is an open-source calculator application designed for iPad. Launched in 2018, it serves as both a functional tool and an educational resource for developers interested in app development. The project demonstrates… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. An Open-Source iPad Calculator and Why Your App Won’t Make Any Money launched in 2018; newer entries below may have overtaken it.

1. 1
   iPad Calculator▲188

   Revolutionizing calculations on iPad – smarter, faster, best

   2024 · apple.com · its alternatives →

2. 2
   App Cost Calculator▲257

   Plan your app development budget within 2 minutes

   2017 · cleveroad.com · its alternatives →

3. 3
   iCalculatorX▲70

   All-in-one calculator for iPad and iPhone

   2021 · apps.apple.com · its alternatives →

4. 4
   How Much To Make An App▲329

   *Easily* calculate the cost of a mobile app

   2015 · howmuchtomakeanapp.com · its alternatives →

5. 5
   Omni Calculator 2.0▲346

   Your life in 777 free calculators

   2019 · omnicalculator.com · its alternatives →

6. 6
   IOS Calculator for Android▲63

   Visually Impressive Highly functional All-in-one!

   2016 · play.google.com · its alternatives →

7. 7
   inst Calculator▲53

   Functionality meets simplicity, calculate with ease

   2022 · apps.apple.com · its alternatives →

8. 8
   CalPal▲70

   A super simple calculator with instant as you type results

   2019 · apps.apple.com · its alternatives →

9. 9
   Calcbot 2.0 for iOS▲104

   The Intelligent Calculator & Unit Converter

   2015 · apps.apple.com · its alternatives →

10. 10
    Omni Calculator▲234

    Over 350 calculators in one place 🤓

    2018 · omnicalculator.com · its alternatives →

11. 11
    Inseries 3▲92

    A smart, spreadsheet-like calculator app for iPhone & iPad

    2019 · inseriesapp.com · its alternatives →

12. 12
    iPad app to help you learn computational science by tinkering with code▲121

    Dive into the world of Python programming through our curated collection of interactive coding tutorials.

    2021 · tinkerstellar.com · its alternatives →

13. 13
    (Not Boring) Calculator▲77

    This app is not for you.

    2021 · notbor.ing · its alternatives →

14. 14
    KnightOS▲136

    An open-source OS for calculators

    2016 · its alternatives →

15. 15
    Product Pricing & Financial Calculator▲7

    Need a free calculator with no pop up ads for your iPad?

    2024 · apps.apple.com · its alternatives →

16. 16
    A Wonder Calculator by SeedCalc▲61

    Learning arithmetic with orcas

    2022 · seedv.com · its alternatives →

17. 17
    Tydlig▲69

    The calculator reimagined for iOS 7

    2013 · tydligapp.com · its alternatives →

18. 18
    Designable Calculator▲9

    Where design meets calculation

    2024 · apps.apple.com · its alternatives →

19. 19
    Webacus▲106

    Swiss-army knife for developers

    2022 · webacus.dev · its alternatives →

20. 20
    Calculator▲2

    The missing calculator for the ipad

    2020 · getcalculator.app · its alternatives →

21. 21
    Calcly▲6

    Free Universal Calculator for iPad.

    2016 · apps.apple.com · its alternatives →

22. 22
    Euclid Calculator▲83

    The modern calculator for macOS/iOS

    2020 · euclid.pr1mer.tech · its alternatives →

23. 23
    Desktop Calculator▲8

    Calculate on Home Screen (iOS 17 Interactive Widget)

    2023 · desktop-calculator.com · its alternatives →

24. 24
    Appstimator▲68

    Calculate your app development costs

    2023 · appbee.co · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →