Time series database for fast analytics
Visit WebsiteThe Bottom Line
Entry price
Free plan available, paid tiers above
Biggest pro
Very fast time-series
Biggest con
Smaller community
TL;DR - QuestDB
- QuestDB is a time-series database optimized for fast ingest and queries
- It handles millions of rows per second with SQL and PostgreSQL compatibility
- Free and open-source, Cloud version available
What is QuestDB?
Available on: Web
Pros & Cons
Pros
- Very fast time-series
- SQL interface
- Good for financial data
- Open source
- Low resource usage
Cons
- Smaller community
- Less features than competitors
- Newer platform
- Limited ecosystem
- Specific use cases
Ratings Across the Web
QuestDB holds an aggregate rating of 4.8 out of 5 from 35 reviews across G2, last checked March 18, 2026.
Ratings aggregated from independent review platforms. Learn more
Key Features
Pricing Plans
Pricing checked Aug 23, 2026
Open Source
Free
- High-performance core engine
- Basic authentication
- Single instance deployment
- Manual backups to local storage
- Admin + read-only user
- Community support
- Time-series SQL
Enterprise
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- Read/write isolation with replicas
- TLS encryption
- SSO via OAuth 2.0/OIDC
- RBAC with column-level access
- Audit logs
- Horizontal scalability
- 99.9% uptime SLA
- Automated incremental snapshots
Is QuestDB worth the price?
QuestDB offers a very generous freemium model with its Open Source tier at $0, providing a high-performance core engine for basic needs.
The Enterprise tier, with its undisclosed pricing, is likely expensive but offers critical features for large-scale, high-availability deployments. This structure is best for individual developers or small teams starting out, and large enterprises requiring robust, scalable solutions.
Hidden Costs & Gotchas
Enterprise tier pricing is not transparent
BYOC deployment may incur cloud provider costs
No hosted option for the open-source version
Support for open-source is community-only
How QuestDB Compares to Competitors
Compared to InfluxDB, which offers a free tier with usage limits and paid plans starting around $30/month, QuestDB's $0 Open Source tier is more generous for self-hosting. TimescaleDB also has a free tier with limitations and paid options, making QuestDB's open-source offering highly competitive for those willing to self-manage.
Reviews

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Best QuestDB Alternatives
Top alternatives based on features, pricing, and user needs.
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Still deciding?
Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.
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QuestDB FAQ
How does QuestDB support real-time analytics?
Which teams benefit most from using QuestDB?
How is QuestDB priced?
What kind of trade-offs should users consider when choosing QuestDB?
Can QuestDB be used for analyzing financial data?
How does QuestDB compare to TimescaleDB?
Source: questdb.io