Best Interactive Physics Alternatives in 2026
Updated
20 apps from physics simulation software ranked against Interactive Physics on the same published basis.
- 1Interactive Physics vs Open Source Physics
- 2Interactive Physics vs Algodoo
- 3Interactive Physics vs OpenSim
- 4Interactive Physics vs SimFlow
- 5Interactive Physics vs FeenoX
- 6Interactive Physics vs Xcos
- 7Interactive Physics vs FEST-3D
- 8Interactive Physics vs FDTDX
- 9Interactive Physics vs SimScale
- 10Interactive Physics vs DynamicalSystems.jl
- 11Interactive Physics vs COMSOL Multiphysics
- 12Interactive Physics vs Ansys Fluent
- 13Interactive Physics vs myPhysicsLab
- 14Interactive Physics vs OpenFOAM
- 15Interactive Physics vs GNU FisicaLab
- 16Interactive Physics vs Step
- 17Interactive Physics vs MPTRAC
- 18Interactive Physics vs PhysSandbox
- 19Interactive Physics vs 3JCN Physics Simulation
- 20Interactive Physics vs SimEvents
Interactive Physics alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Open Source Physics | 8.6 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 2 | Algodoo | 8.1 | No | — | Windows, Mac, iOS |
| 3 | OpenSim | 8.0 | Free plan | Free | API, Linux, Mac, Windows |
| 4 | SimFlow | 7.9 | Free plan | €666.67/mo | Linux, Mac, Web, Windows |
| 5 | FeenoX | 7.9 | Free plan | Free | API, Linux, self-hosted, Web |
| 6 | Xcos | 7.8 | Free plan | Free | Windows, Mac, Linux |
| 7 | FEST-3D | 7.8 | Free plan | Free | Linux, Mac |
| 8 | FDTDX | 7.8 | Free plan | Free | Linux, self-hosted |
| 9 | SimScale | 7.6 | No | — | Web |
| 10 | DynamicalSystems.jl | 7.6 | Free plan | Free | Linux, Mac, Windows |
| 11 | COMSOL Multiphysics | 7.5 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 12 | Ansys Fluent | 7.5 | No | — | — |
| 13 | myPhysicsLab | 7.5 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 14 | OpenFOAM | 7.2 | No | — | Windows, Mac, Linux |
| 15 | GNU FisicaLab | 7.0 | No | — | — |
| 16 | Step | 7.0 | No | — | Linux |
| 17 | MPTRAC | 7.0 | No | — | — |
| 18 | PhysSandbox | 7.0 | Free plan | Free | Web |
| 19 | 3JCN Physics Simulation | 7.0 | Free plan | Free | Web |
| 20 | SimEvents | 6.9 | No | — | — |
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Questions about Interactive Physics alternatives
What is the best alternative to Interactive Physics?
Open Source Physics, number 1 in physics simulation software with a score of 8.6 out of 10. The others here: Algodoo, OpenSim, SimFlow and 16 more.
What is the best free alternative to Interactive Physics?
OpenSim is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.