
Apache IoTDB
7.7#3 in time-series databasesFree planFree planWebAPILinuxmacOS
Visit

| Fact | Apache IoTDB | QuestDB |
|---|---|---|
| Deployment | The project describes cloud installation, a desktop terminal tool, and a data synchronization tool connecting cloud and on-premise machines. | QuestDB Open Source is self-managed and is available as binaries, containers, and source code. |
| Integrations | Documented integrations include Telegraf, NiFi, Kafka, Flink, Spark, Zeppelin, Grafana, DataEase, DBeaver and ThingsBoard. | QuestDB lists Grafana, Power BI, Apache Kafka, Telegraf, Redpanda, Apache Flink, Pandas, and Apache Spark among its integrations. |
| Product | Apache IoTDB is an industrial IoT time-series database for collecting, storing, managing, and analyzing IoT time-series data with edge-cloud collaboration. | QuestDB is a time-series database for mission-critical environments where low latency matters. |
It suits teams collecting and querying industrial IoT time-series data across edge and cloud deployments. Users planning Java ingestion should account for the documented JDBC write limitation.
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.