Prometheus vs UnitDB
| Prometheus | UnitDB | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Web, Windows | — |
| Free plan | Yes | — |
| Deployment | self_hosted | self_hosted |
| SQL support | No | — |
| Retention policies | Yes | Yes |
| Horizontal scaling | No | Yes |
| Query languages | PromQL | — |
| Ingestion methods | HTTP pull scraping; Pushgateway; Remote Write; OpenMetrics backfilling | Put/PutEntry API, batch operations, uTP PUBLISH messages |
Both are listed in Best Time-Series Databases. On Samsung Mobile US Press, Prometheus scores higher on our published basis.