Jest vs Kotest
| Jest | Kotest | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | self-hosted | Android, iOS, Linux, macOS, Web, Windows |
| Free plan | Yes | Yes |
| Supported languages | JavaScript, TypeScript | Kotlin |
| Built-in mocks | Yes | No |
| Parameterized cases | Yes | Yes |
| Parallel execution | Yes | Yes |
| Snapshot testing | Yes | Yes |
| Property-based checks | — | Yes |
Both are listed in Best Unit Testing Frameworks. On Inferse, Jest scores higher on our published basis.