QuestDB
6.9#7 in time-series databasesFree planFree planWebAPILinuxmacOS
VisitQuestDB vs TDengine
What both publish
| Fact | QuestDB | TDengine |
|---|---|---|
| Deployment | QuestDB Open Source is self-managed and is available as binaries, containers, and source code. | Self-hosted deployments can run at the edge, in containers or virtual machines, on local servers, or in public, private, or hybrid clouds. |
| Headquarters | London and New York | San Jose, California, United States |
| Integrations | QuestDB lists Grafana, Power BI, Apache Kafka, Telegraf, Redpanda, Apache Flink, Pandas, and Apache Spark among its integrations. | The documented ecosystem includes Grafana integration, Kafka integration, MQTT, OPC, PI System and Excel connectivity. |
| Support | Enterprise includes dedicated access to QuestDB engineers and guaranteed response-time SLAs; Open Source has community support. | Annual licenses include business-hours standard support, while premium support offers 24×7 Severity 1 coverage; free-tier support is optional at $3,375 per year. |
QuestDB plans
- QuestDB Open SourceFree
- QuestDB EnterprisePriced on request
TDengine plans
- Free TierFree
- Self-hosted Free TierFree
- TDengine Cloud Starter$970 a month
- Starter$970 a month
- TDengine Cloud Small$1,740 a month
- TDengine Cloud Medium$2,570 a month
Pick QuestDB if…
QuestDB is suited to teams managing time-series data in low-latency environments. Its stated users include capital-markets firms, digital-asset businesses, energy operators, aerospace companies, and robotics firms.
Pick TDengine if…
TDengine is designed for industrial enterprises and organizations running traditional data historians or legacy industrial IoT platforms, especially those needing time-series ingestion and analysis.