Amazon DocumentDB vs PostgreSQL
| Amazon DocumentDB | PostgreSQL | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | api, Web | Linux, macOS, self-hosted, Windows |
| Free plan | No | Yes |
| Vector search | Yes | — |
Both are listed in Best Database Software. On Specifiction, PostgreSQL scores higher on our published basis.