MockK vs Vitest
| MockK | Vitest | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Android | Linux, macOS, Web, Windows |
| Supported languages | Kotlin | JavaScript, TypeScript |
| Built-in mocks | Yes | Yes |
| Parallel execution | Yes | Yes |
| Free plan | — | Yes |
| Parameterized cases | — | Yes |
| Snapshot testing | — | Yes |
| Property-based checks | — | Yes |
Both are listed in Best Unit Testing Frameworks. On Freedom251, Vitest scores higher on our published basis.