Best Time-Series Databases in 2026
Updated
In short: GreptimeDB is ranked #1 of 36 as of 4 October 2026, ahead of InfluxDB and LinDB. The best-ranked option with a free plan is InfluxDB. The lowest first paid tier on this page is Grafana k6 at $19/mo.
When your data is organized around time, database choices can hinge on how it arrives, how it is queried, and how long it stays available. Compare deployment and ingestion methods with query languages, horizontal scaling, retention policies, and SQL support. Free-plan availability and paid-from pricing offer further points of comparison. GreptimeDB, InfluxDB, and TimescaleDB lead the ordered entries, with QuestDB and TDengine also near the top. Consider your deployment approach, expected data flow, and querying needs, then weigh the listed scaling and retention capabilities against them.
36 time-series databases ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | App | Score | From | Free plan | Paid from | Deployment | SQL support | Retention policies | Horizontal scaling | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  GreptimeDB | 7.2 | $290/mo | Yes | 290 /mo | both | Yes | Yes | Yes | View |
| 2 | InfluxDB | 6.4 | — | Yes | — | both | Yes | Yes | Yes | View |
| 3 | LinDB | 6.4 | Free | — | — | self_hosted | Yes | Yes | Yes | View |
| 4 |  DolphinDB | 6.3 | Free | Yes | — | both | Yes | Yes | Yes | View |
| 5 |  Grafana k6 | 6.3 | $19/mo | — | — | self_hosted | No | Yes | Yes | View |
| 6 | QuestDB | 6.3 | Free | Yes | — | both | Yes | Yes | Yes | View |
| 7 | TDengine | 6.3 | $281.25/mo | Yes | — | both | Yes | Yes | Yes | View |
| 8 | VictoriaMetrics | 6.3 | $200/mo | Yes | — | both | No | Yes | Yes | View |
| 9 | Prometheus | 6.2 | Free | Yes | — | self_hosted | No | Yes | No | View |
| 10 | TimescaleDB | 5.8 | $30/mo | Yes | 30 /mo | both | Yes | Yes | Yes | View |
| 11 |  Axibase Time Series Database | 5.7 | — | Yes | — | both | Yes | Yes | Yes | View |
| 12 |  GroveStreams | 5.4 | $599/mo | No | 499 /mo | — | — | — | — | View |
| 13 | kdb+ | 5.4 | — | — | — | both | Yes | Yes | Yes | View |
| 14 | TimechoDB | 5.4 | — | — | — | both | Yes | Yes | Yes | View |
| 15 | Amazon Timestream | 5.3 | — | No | — | cloud | Yes | Yes | Yes | View |
| 16 | Apache IoTDB | 5.3 | — | — | — | both | Yes | Yes | Yes | View |
| 17 | CnosDB | 5.3 | — | — | — | both | Yes | Yes | Yes | View |
| 18 |  Cortex | 5.3 | — | — | — | self_hosted | No | Yes | Yes | View |
| 19 |  FiloDB | 5.3 | — | — | — | self_hosted | No | Yes | Yes | View |
| 20 | Gnocchi | 5.3 | — | — | — | self_hosted | No | Yes | Yes | View |
| 21 | Grafana Mimir | 5.3 | — | — | — | self_hosted | No | Yes | Yes | View |
| 22 | Graphite | 5.3 | — | — | — | self_hosted | — | Yes | Yes | View |
| 23 |  Netflix Atlas | 5.3 | — | — | — | self_hosted | No | Yes | Yes | View |
| 24 | openGemini | 5.3 | — | — | — | self_hosted | Yes | Yes | Yes | View |
| 25 |  OpenTSDB | 5.3 | — | Yes | — | self_hosted | No | No | Yes | View |
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which time-series database is ranked first on Samsung Mobile US Press?
GreptimeDB is ranked #1 of 36 with a score of 7.2. InfluxDB is second and LinDB third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Grafana k6 has the lowest first paid tier we found: $19/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.