Best PhysicsPlayground Alternatives in 2026

20 apps from physics simulation software ranked against PhysicsPlayground on the same published basis.

  1. 1PhysicsPlayground vs OpenSim
  2. 2PhysicsPlayground vs Xcos
  3. 3PhysicsPlayground vs SimFlow
  4. 4PhysicsPlayground vs FeenoX
  5. 5PhysicsPlayground vs FDTDX
  6. 6PhysicsPlayground vs DynamicalSystems.jl
  7. 7PhysicsPlayground vs myPhysicsLab
  8. 8PhysicsPlayground vs Open Source Physics
  9. 9PhysicsPlayground vs PhysSandbox
  10. 10PhysicsPlayground vs 3JCN Physics Simulation
  11. 11PhysicsPlayground vs SimScale
  12. 13PhysicsPlayground vs COMSOL Multiphysics
  13. 14PhysicsPlayground vs OpenFOAM
  14. 15PhysicsPlayground vs Ansys Fluent
  15. 16PhysicsPlayground vs ngspice
  16. 17PhysicsPlayground vs Physion
  17. 18PhysicsPlayground vs Step
  18. 19PhysicsPlayground vs ASCEND
  19. 20PhysicsPlayground vs MATLAB Grader
  20. 21PhysicsPlayground vs GNU FisicaLab

PhysicsPlayground alternatives compared

#AppScoreFree planFromRuns on
1OpenSim8.0Free planFreeAPI, Linux, Mac, Windows
2Xcos7.9Free planFreeWindows, Mac, Linux
3SimFlow7.9Free plan€666.67/moLinux, Mac, Web, Windows
4FeenoX7.8Free planFreeAPI, Linux, self-hosted, Web
5FDTDX7.6Free planFreeLinux, self-hosted
6DynamicalSystems.jl7.6Free planFreeLinux, Mac, Windows
7myPhysicsLab7.6Free planFreeLinux, Mac, self-hosted, Web, Windows
8Open Source Physics7.1No—Web, Windows, Mac, Linux, iOS, Android
9PhysSandbox7.1Free planFreeWeb
103JCN Physics Simulation7.1Free planFreeWeb
11SimScale7.0No—Web
13COMSOL Multiphysics6.9No—API, Linux, Mac, self-hosted, Web, Windows
14OpenFOAM6.9No—Windows, Mac, Linux
15Ansys Fluent6.8No——
16ngspice6.7No—Windows, Mac, Linux
17Physion6.7Free plan$6/moWeb
18Step6.6No—Linux
19ASCEND6.6No—Windows, Mac, Linux
20MATLAB Grader6.6Free planFreeLinux, Mac, Web, Windows
21GNU FisicaLab6.5No——
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Questions about PhysicsPlayground alternatives

What is the best alternative to PhysicsPlayground?

OpenSim, number 1 in physics simulation software with a score of 8.0 out of 10. The others here: Xcos, SimFlow, FeenoX and 16 more.

What is the best free alternative to PhysicsPlayground?

OpenSim is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.