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Best Step Alternatives in 2026

12 apps from physics simulation software ranked against Step on the same published basis.

  1. 1
    OpenSim Free plan apiLinuxMacWin Free9.1
    Step vs OpenSim
  2. 2
    SimFlow Free plan LinuxMacWebWin €666.67/mo9.1
    Step vs SimFlow
  3. 3
    SimScale Web 9.0
    Step vs SimScale
  4. 4
    FeenoX Free plan apiLinuxself-hostedWeb Free8.8
    Step vs FeenoX
  5. 5
    COMSOL Multiphysics Free trial apiLinuxMacself-hostedWeb 8.7
    Step vs COMSOL Multiphysics
  6. 6
    OpenFOAM WinMacLinux 8.7
    Step vs OpenFOAM
  7. 7
    Xcos Free plan WinMacLinux Free8.7
    Step vs Xcos
  8. 8
    myPhysicsLab Free plan LinuxMacself-hostedWebWin Free8.6
    Step vs myPhysicsLab
  9. 9
    Open Source Physics WebWinMacLinuxiOS 8.5
    Step vs Open Source Physics
  10. 10
    ASCEND WinMacLinux 8.3
    Step vs ASCEND
  11. 11
    FDTDX Free plan Linuxself-hosted Free8.3
    Step vs FDTDX
  12. 12
    ngspice WinMacLinux 8.2
    Step vs ngspice
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