Compare software

PhET Interactive SimulationsGeoGebra
Free

Free interactive simulations.

 Free

The math tools are free to use.

Web Android, iOS, Web
  • Simulations can be used immediately with no signup or installation
  • Covers a broad range of physics, chemistry and math topics in one place
  • Graphing, geometry, 3D and scientific calculators in one family
  • Dynamic geometry constructions you can drag and explore
  • Aimed at simulation-based exploration rather than structured, graded coursework
  • Browser-based delivery, with no offline access described
  • Many separate apps and features can be confusing at first
  • Not open source
Web application Downloadable app, Web application
Closed source Closed source
License not stated 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 September 22, 2026

Checked September 23, 2026

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