Specmatic vs Stubborn Contract
| Specmatic | Stubborn Contract | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $0.83/mo | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Windows | — |
| Free plan | Yes | Yes |
| Contract formats | — | YAML, Groovy, Java, Kotlin |
| Consumer verification | — | Yes |
| Provider verification | — | Yes |
| Contract registry | — | Yes |
| Self-hosted deployment | — | Yes |
Both are listed in Best Contract Testing Tools. On Everything Xiaomi, Specmatic scores higher on our published basis.