Detailed comparison across 10 dimensions
Winner: QuestDB
QuestDB clearly comes out ahead of kdb+ on Staquest's weighted six-dimension score. Both offer a free tier.
| Overview | ||
|---|---|---|
| Type | hybrid | hybrid |
| Company | QuestDB | KX Systems |
| Free Tier | ||
| Has API | ||
| Open Source | ||
| Trending | Stable | Stable |
| Industries | DevelopmentData & Analytics | DevelopmentData & Analytics |
| Categories | database | database |
| Website | Visit | Visit |
QuestDB
open source
custom
freemium
freemium
custom
| Feature | questdb | kdb |
|---|---|---|
| Apache 2.0 License | ||
| Commercial-Use Rights | ||
| Automatic Replication | ||
| Customized Support | ||
| Failover | ||
| High-Performance Financial And Industrial Environments | ||
| Fast Ingest | ||
| Local Use Only | ||
| High-Performance Time-Series Database | ||
| Non-Commercial Use | ||
| Multi-Primary Writes (Coming Soon) | ||
| Sql Queries | ||
| Sub-Second Read Replicas |
Showing 13 of 13 features
Dashes mean the feature isn't listed in our data. The tool may still support it.
On Staquest's weighted six-dimension scoring, QuestDB comes out ahead overall, though kdb+ can be the better fit depending on your priorities — see the dimension-by-dimension breakdown above.
Both QuestDB and kdb+ offer a free tier.
QuestDB is open source. The feature comparison and dimension scores above cover the full breakdown.
