Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.




Calcbot is described as 'Simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again' and is a Calculator in the education & reference category. There are more than 100 alternatives to Calcbot for a variety of platforms, including Android, iPhone, Mac, Windows and iPad apps. The best Calcbot alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Calcbot are Fossify Calculator, Qalculate!, OpenCalc and NerdCalci.
Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.




Hissab is a simple and intuitive calculator, unit-convertor and productivity application.








As a kid, I loved playing with a calculator. Whether a calculator watch or a TI-89, it offered an intoxicating command over impossibly large numbers and could be hacked to share messages with friends. Somewhere along the way, the calculator became another boring tool.




Introducing Best Loan Calculator, using methods trusted by financial professionals for years. It’s as easy to use as a regular calculator and helps with auto loans, mortgages, and other financing.




A text calculator for natural language expressions, variables & unit conversions, with a vim-style TUI. Inspired by Numi.


NumWorks designed an intuitive and evolutive graphing calculator to make learning maths easier.




Cuneo is a simple and straightforward app that lets you calculate and convert anything you might encounter in your daily life. Being designed like a widget, Cuneo gets out of the way and is best used floating over a maximized window so you can focus on your actual tasks and not...




Ever wanted to work something out, but your default calculator isn't powerful enough, and it's not worth creating a spreadsheet for?




Omni Calculator is a web/mobile calculator that solves concrete problems such as mortgage payment, gross margin, body mass index, break-even point, etc. It's very user-friendly, flexible and usable on web, mobile and as an embeddable web widget.




Calcul.io offers realtime calculator with notepad like interface and advanced features like unit conversions, currency rates or date time math.

Calculator with percentages, powers and functions. History with comments that is synced across all your devices. Cursor for editing anywhere. Simple interface with dark and light themes.



