Eris vs Plausible
| Eris | Plausible | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | — | — |
| Free plan | Yes | Yes |
| Supported languages | PHP | Lean 4 |
| Test runner support | PHPUnit | Lean 4 tactic framework |
| Failing-case shrinking | Yes | Yes |
| Reproducible failures | Yes | — |
| Cases per run | 100 cases | — |
Both are listed in Best Property-Based Testing Tools. On Specifiction, Eris scores higher on our published basis.