Alternative
The Best MATLAB / Simulink Alternative
MATLAB and Simulink are a numerical powerhouse for production engineering — but you write code, you install, and you pay per toolbox. PolySim covers the same ground people reach for in teaching, exploration, and prototyping — linear algebra, numerical methods, signal processing, control systems, image processing, and a Simulink-style block simulator — free in the browser, with live equations and one-click code export.
Why teams switch from MATLAB / Simulink
- Paid license + per-toolbox fees
- Code-first learning curve
- Desktop-anchored, install required
What you get with PolySim OS
| Feature | PolySim OS | MATLAB / Simulink |
|---|---|---|
| Block-diagram simulation | Yes — free | Simulink (paid add-on) |
| Control / DSP / linear algebra | Interactive tools, free | Toolboxes (paid) |
| Symbolic math | Built in | Symbolic Toolbox (paid) |
| Browser-native | Yes | Limited (MATLAB Online) |
| AI copilot | Yes | Limited |
| Toolbox fees | None | Per toolbox |
See PolySim in action
Choose PolySim for free, interactive, browser-based simulation, teaching, and prototyping across the common toolbox areas; MATLAB and Simulink remain the choice for production-grade, certified engineering, code generation, and heavy custom programming.
Ready to leave MATLAB / Simulink?
Full Multi-Physics Bundle — $49
Every domain node pack plus a large compute allotment.