Compare software

ArityCalcDesmos
Free

Free and open source under the Apache 2.0 licence.

 Free

The calculators are free to use.

Android Web
  • Complex number support
  • 2D graphing of multiple functions and their derivatives
  • Graphing, scientific, geometry and 3D calculators in one place
  • Runs in the browser with nothing to install
  • Developer says it will stop working on certified Android devices once Google's verification rule applies
  • Android only
  • Web-based, so it needs a browser and connection
  • Not open source
Downloadable app Web application
Open source Closed source
License: Apache-2.0 License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.