Rocq vs Why3
| Rocq | Why3 | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | extension, Linux, macOS, Web, Windows | Web, Linux, Windows |
| Free plan | Yes | — |
| Verification method | deductive | deductive |
| Supported formalisms | theorem-proving | contracts |
| Proof artifacts | Yes | — |
| Input languages | Gallina and Rocq vernacular | WhyML, micro-C, micro-Python, MLCFG, Coma |
| Deployment | self-hosted | both |
| Counterexamples | — | Yes |
Both are listed in Best Formal Verification Tools. On Samsung Mobile US Press, Rocq scores higher on our published basis.