ALTERNATIVE — CENOS
$0 FREE TIER
0 INSTALL
< 2 s FIELD MAP
The free CENOS alternative.
CENOS WCH is a great FEM tool for wireless charging — and starts around $9,000 per year. AirInduct Sim is purpose-built for the same use case, runs entirely in the browser, and is free for individuals.
01. · Where AirInduct beats CENOS
- Free tier with no time limit. CENOS quotes ~$4,800/3 months or $9k+/year.
- Browser-native — no desktop install, no Windows requirement.
- Topology library (Helmholtz, DTC, square, cross) ready out of the box.
- Mobile and desktop apps included for iOS, Android, macOS, Windows, Linux.
- API + MCP — pipe results into Claude, ChatGPT, or your own tooling.
02. · Where CENOS still wins
Coupled FEM thermal/circuit analysis, motion simulation across complex assemblies, and LTspice integration. If your project needs full multi-physics, CENOS is built for that.
03. · The pragmatic stack
Most teams iterate ten coil designs in AirInduct in the time it takes to mesh one in a FEM tool, then validate the final candidate in CENOS. The fast loop happens here.
See the full comparison matrix or try a DTC ↔ DTC coil.