Best Numi App Alternatives & Competitors in 2024

Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.

Qalculate! is a multiplatform multi-purpose desktop calculator.

Open Source

SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

Extendable calculator for the 21st century ⚡

Open Source

Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.

Math toolbox for iOS. Advanced calculator features with a tape-like history, not requiring internet...

A smart notepad with a built in calculator

An open-source calculator & convertor that thinks like you

fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."

The smart calculator that does more! Convert units, get real-time currency rates, define variables, and tackle complex math with ease—all in one app.

paid Free Trial

Calca is an advanced symbolic calculator for iOS, OS X, and Windows that's as easy to use as a text editor.

WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.

RealCalc Scientific Calculator