Apache IoTDB vs GreptimeDB
| Apache IoTDB | GreptimeDB | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | $290/mo |
| Open source | No | No |
| Platforms | api, Linux, self-hosted, Web, Windows | Android, api, Linux, macOS, self-hosted, Web, Windows |
| Deployment | both | both |
| SQL support | Yes | Yes |
| Retention policies | Yes | Yes |
| Horizontal scaling | Yes | Yes |
| Query languages | IoTDB-SQL; Tree Mode SQL; Table Mode SQL | SQL, PromQL, Log Query |
| Ingestion methods | INSERT SQL; Java JDBC; Java, C++, Python, and Go native APIs; REST API; MQTT; CSV; TsFile | Prometheus Remote Write, OpenTelemetry OTLP/HTTP, Loki Push API, Elasticsearch Bulk API, InfluxDB Line Protocol, MySQL, PostgreSQL, gRPC, HTTP |
| Free plan | — | Yes |
| Paid from | — | 290 /mo |
Both are listed in Best Time-Series Databases. On Freedom251, Apache IoTDB scores higher on our published basis.