Best MontePy Alternatives in 2026
Updated
20 apps from physics simulation software ranked against MontePy on the same published basis.
- 1MontePy vs OpenSim
- 2MontePy vs SimFlow
- 3MontePy vs FeenoX
- 4MontePy vs COMSOL Multiphysics
- 5MontePy vs Xcos
- 6MontePy vs FEST-3D
- 7MontePy vs myPhysicsLab
- 8MontePy vs Open Source Physics
- 9MontePy vs FDTDX
- 10MontePy vs DynamicalSystems.jl
- 11MontePy vs SimScale
- 12MontePy vs Ansys Fluent
- 13MontePy vs OpenFOAM
- 14MontePy vs FEATool Multiphysics
- 15MontePy vs Step
- 16MontePy vs ASCEND
- 17MontePy vs ngspice
- 18MontePy vs GNU FisicaLab
- 19MontePy vs PhysSandbox
- 20MontePy vs 3JCN Physics Simulation
MontePy alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | OpenSim | 9.1 | Free plan | Free | API, Linux, Mac, Windows |
| 2 | SimFlow | 9.1 | Free plan | €666.67/mo | Linux, Mac, Web, Windows |
| 3 | FeenoX | 8.8 | Free plan | Free | API, Linux, self-hosted, Web |
| 4 | COMSOL Multiphysics | 8.7 | No | — | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | Xcos | 8.7 | Free plan | Free | Windows, Mac, Linux |
| 6 | FEST-3D | 8.7 | Free plan | Free | Linux, Mac |
| 7 | myPhysicsLab | 8.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 8 | Open Source Physics | 8.5 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 9 | FDTDX | 8.5 | Free plan | Free | Linux, self-hosted |
| 10 | DynamicalSystems.jl | 8.5 | Free plan | Free | Linux, Mac, Windows |
| 11 | SimScale | 8.4 | No | — | Web |
| 12 | Ansys Fluent | 8.1 | No | — | — |
| 13 | OpenFOAM | 8.1 | No | — | Windows, Mac, Linux |
| 14 | FEATool Multiphysics | 7.8 | No | — | Windows, Linux, Mac |
| 15 | Step | 7.7 | No | — | Linux |
| 16 | ASCEND | 7.7 | No | — | Windows, Mac, Linux |
| 17 | ngspice | 7.6 | No | — | Windows, Mac, Linux |
| 18 | GNU FisicaLab | 7.6 | No | — | — |
| 19 | PhysSandbox | 7.6 | Free plan | Free | Web |
| 20 | 3JCN Physics Simulation | 7.6 | Free plan | Free | Web |
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Questions about MontePy alternatives
What is the best alternative to MontePy?
OpenSim, number 1 in physics simulation software with a score of 9.1 out of 10. The others here: SimFlow, FeenoX, COMSOL Multiphysics and 16 more.
What is the best free alternative to MontePy?
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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on.