Firestore vs Google Cloud Spanner
| Firestore | Google Cloud Spanner | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | Yes | Yes |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Android, api, iOS, Web | api, Linux, self-hosted, Web |
| Free plan | Yes | No |
| Vector search | Yes | — |
Both are listed in Best Database Software. On Everything Xiaomi, Firestore scores higher on our published basis.