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