Best UnitDB Alternatives in 2026
Updated
20 platforms from time-series databases ranked against UnitDB on the same published basis.
- 1UnitDB vs InfluxDB
- 2UnitDB vs LinDB
- 3UnitDB vs QuestDB
- 4UnitDB vs TDengine
- 5UnitDB vs VictoriaMetrics
- 6UnitDB vs Apache IoTDB
- 7UnitDB vs DolphinDB
- 8UnitDB vs Axibase Time Series Database
- 9UnitDB vs GreptimeDB
- 10UnitDB vs BTrDB
- 11UnitDB vs KairosDB
- 13UnitDB vs Grafana k6
- 14UnitDB vs Prometheus
- 15UnitDB vs TimescaleDB
- 16UnitDB vs GroveStreams
- 17UnitDB vs kdb+
- 18UnitDB vs TimechoDB
- 19UnitDB vs Amazon Timestream
- 20UnitDB vs CnosDB
- 21UnitDB vs Cortex
UnitDB alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | InfluxDB | 7.4 | Free plan | — | API, Linux, Mac, self-hosted, Web, Windows |
| 2 | LinDB | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | QuestDB | 7.3 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | TDengine | 7.3 | Free plan | $281.25/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 5 | VictoriaMetrics | 7.3 | Free plan | $200/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Apache IoTDB | 7.2 | Free plan | Free | API, Linux, self-hosted, Web, Windows |
| 7 | DolphinDB | 7.2 | Free plan | Free | API, Browser, Linux, self-hosted, Web, Windows |
| 8 | Axibase Time Series Database | 6.9 | No | — | API, Linux, self-hosted, Web |
| 9 | GreptimeDB | 6.9 | No | $290/mo | Android, API, Linux, Mac, self-hosted, Web, Windows |
| 10 | BTrDB | 6.8 | No | — | API, Linux, self-hosted |
| 11 | KairosDB | 6.8 | No | — | API, Linux, self-hosted |
| 13 | Grafana k6 | 5.9 | Free plan | $19/mo | Linux |
| 14 | Prometheus | 5.8 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 15 | TimescaleDB | 5.6 | No | $30/mo | self-hosted |
| 16 | GroveStreams | 5.2 | No | $599/mo | Web |
| 17 | kdb+ | 5.2 | No | — | Windows, Mac, Linux |
| 18 | TimechoDB | 5.2 | No | — | Windows, Mac, Linux |
| 19 | Amazon Timestream | 5.1 | No | — | Web |
| 20 | CnosDB | 5.1 | No | — | Linux, Mac |
| 21 | Cortex | 5.1 | No | — | Linux, Mac, Windows |
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Questions about UnitDB alternatives
What is the best alternative to UnitDB?
InfluxDB, number 1 in time-series databases with a score of 7.4 out of 10. The others here: LinDB, QuestDB, TDengine and 16 more.
What is the best free alternative to UnitDB?
InfluxDB is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.