InterSystems IRIS vs PostgreSQL
| InterSystems IRIS | PostgreSQL | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Web, Windows | Linux, macOS, self-hosted, Windows |
| Free plan | No | Yes |
Both are listed in Best Database Software, Best Relational Databases. On Samsung Mobile US Press, PostgreSQL scores higher on our published basis.