Side by side
DolphinDB vs GreptimeDB
Both stand on time-series databases. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APIExtensionLinux+3
DolphinDB combines database engines, analytical functions, and streaming tools in one platform. Its free Community Edition has explicit node and per-node resource limits.
Visit DolphinDB Free plan AndroidAPILinux+4
GreptimeDB brings metrics, logs, and traces into one database with SQL and PromQL, plus multiple ingestion and deployment options. Its stated workload focus is observability and IoT rather than transactional database use; fully managed Enterprise starts at $290/month.
Visit GreptimeDBThe facts
| DolphinDB | GreptimeDB | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Extension, Linux, Self-hosted, Web, Windows | Android, API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | GreptimeDB Enterprise Fully-Managed: $290 a month |
| Plans published | 2 | 2 |
| Maker | Not published | Not published |
| Website | dolphindb.com | greptime.com |
| On time-series databases | #4 of 36 | #8 of 36 |
DolphinDB: what it does well
- More than 1,500 built-in analytical functions
- More than 10 streaming engines
- Supports horizontal scaling and fault tolerance
- Cloud, on-premise, and hybrid deployment options
What to know first
- Community Edition is limited to two nodes
- Each Community Edition node is limited to two CPU cores and 8 GB RAM
- Kafka plugin has specified ARM Linux limitations
GreptimeDB: what it does well
- SQL and PromQL querying
- Horizontally scalable cluster option
- Multiple ingestion protocols
- Object storage support
- Free plan available
What to know first
- Not aimed at general-purpose transactional workloads
- Fully managed Enterprise starts at $290/month
Alternatives to DolphinDB Alternatives to GreptimeDB The whole list