ContractCase vs Stubborn Contract
| ContractCase | Stubborn Contract | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | api, self-hosted |
| Contract formats | ContractCase Case Files; JSON for HTTP contracts | YAML, Groovy, Java, Kotlin |
| Consumer verification | Yes | Yes |
| Provider verification | Yes | Yes |
| Contract registry | No | Yes |
| Self-hosted deployment | Yes | Yes |
| Free plan | — | Yes |
Both are listed in Best Contract Testing Tools. On Samsung Mobile US Press, ContractCase scores higher on our published basis.