Alloy Analyzer vs SPIN
| Alloy Analyzer | SPIN | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Verification method | model-checking | model-checking |
| Supported formalisms | invariants | temporal-logic |
| Counterexamples | Yes | Yes |
| Input languages | Alloy language | Promela |
| Deployment | self-hosted | self-hosted |
Both are listed in Best Formal Verification Tools. On Samsung Mobile US Press, SPIN scores higher on our published basis.