JSVerify vs PropEr
| JSVerify | PropEr | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | self-hosted |
| Free plan | Yes | Yes |
| Supported languages | JavaScript, TypeScript | Erlang |
| Test runner support | Mocha, nodeunit, Jasmine | EUnit, Common Test |
| Failing-case shrinking | Yes | Yes |
| Stateful testing | No | Yes |
| Reproducible failures | Yes | — |
Both are listed in Best Property-Based Testing Tools. On Specifiction, JSVerify scores higher on our published basis.