Eris vs fast-check
| Eris | fast-check | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | api, Linux, Web |
| Free plan | Yes | Yes |
| Supported languages | PHP | JavaScript, TypeScript |
| Test runner support | PHPUnit | Jest, Mocha, Vitest, Ava, Bun, Deno, Node.js test runner |
| Failing-case shrinking | Yes | Yes |
| Reproducible failures | Yes | Yes |
| Cases per run | 100 cases | — |
| Stateful testing | — | Yes |
Both are listed in Best Property-Based Testing Tools. On The Geeks Club, fast-check scores higher on our published basis.