Best Time-Series Databases in 2026
Updated
In short: InfluxDB is ranked #1 of 36 as of 4 October 2026, ahead of QuestDB and VictoriaMetrics. The best-ranked option with a free plan is QuestDB. The lowest first paid tier on this page is Grafana k6 at $19/mo.
Time-series databases are designed for storing and querying measurements or events associated with time. Compared on deployment, ingestion methods, and query languages, these options also vary in retention policies, horizontal scaling, and SQL support. InfluxDB, QuestDB, and VictoriaMetrics are among the entries to assess. Consider how data will arrive, how long you need to retain it, and what querying and scaling capabilities your work calls for. Free-plan availability and paid-from pricing offer additional comparison points.
36 time-series databases ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Time-Series Databases, ranked on how quickly a newcomer can get going. 11 of the 25 on this page can be tried for free.
- 1 InfluxDBFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 2 QuestDBFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 3 VictoriaMetricsPaid from $200/mo
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 4 DolphinDBFree plan
- Free to practise on: yes
- Free trial: yes
- Well documented: yes
- Runs where you work: yes
- 5 TDenginePaid from $281.25/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 6 Apache IoTDBFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 7 LinDBFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 8 Grafana k6Paid from $19/mo
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 9 TimescaleDBPaid from $30/mo
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 10 PrometheusFree plan
- Free to practise on: yes
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 11 GreptimeDBPaid from $290/mo
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: yes
- 12 GroveStreamsPaid from $599/mo
- Free to practise on: not on record
- Free trial: yes
- Well documented: yes
- Runs where you work: not on record
- 13 Axibase Time Series Database
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 14 kdb+
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 15 TimechoDB
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 16 Warp 10
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 17 Cortex
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 18 openGemini
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 19 TimeBase
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: yes
- 20 CnosDB
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 21 Graphite
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 22 OpenTSDB
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 23 SiriDB
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
- 24 Amazon Timestream
- Free to practise on: not on record
- Free trial: not on record
- Well documented: yes
- Runs where you work: not on record
- 25 FiloDB
- Free to practise on: not on record
- Free trial: not on record
- Well documented: not on record
- Runs where you work: not on record
Is your platform 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 The Geeks Club?
InfluxDB is ranked #1 of 36 with a score of 8.0. QuestDB is second and VictoriaMetrics third.
How many of these have a free plan?
9 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 on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.