Couchbase Server vs Percona Server for MongoDB
| Couchbase Server | Percona Server for MongoDB | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | Linux, self-hosted |
| Free plan | Yes | Yes |
| Deployment model | both | both |
| Managed cloud | Yes | — |
| Document formats | JSON, Binary | BSON |
| Transactions | Yes | Yes |
| Vector search | Yes | Yes |
| Maximum document size | 20 MB | — |
Both are listed in Best Document Databases. On Everything Xiaomi, Percona Server for MongoDB scores higher on our published basis.