TimescaleDB vs QuestDB: Which is Better in 2026?
Choosing between TimescaleDB and QuestDB comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: TimescaleDB is our overall pick for data & databases workflows. Pick QuestDB if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
TimescaleDB
Time series database on PostgreSQL
Best for you if:
- • TimescaleDB is a time-series database built on PostgreSQL
- • It handles time-series data with full SQL and PostgreSQL compatibility
QuestDB
Time series database for fast analytics
Best for you if:
- • QuestDB is a time-series database optimized for fast ingest and queries
- • It handles millions of rows per second with SQL and PostgreSQL compatibility
| At a Glance | ||
|---|---|---|
Starts at | $29/monthCloud | Free tier + paid plansFree tier available |
Best For | Data & Databases | Data & Databases |
Rating | - | - |
Choose TimescaleDB or QuestDB?
Choose TimescaleDB if
Time series database on PostgreSQL
- PostgreSQL extension
- Time series optimized
- Full SQL support
Choose QuestDB if
Time series database for fast analytics
- Very fast time-series
- SQL interface
- Good for financial data
| Feature | TimescaleDB | QuestDB |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | ★4.6/5 114 reviews | ★4.8/5 35 reviews |
| Categories | Data & DatabasesAnalytics | Data & DatabasesAnalytics |
In-Depth Analysis
TimescaleDB
Time series database on PostgreSQL
Strengths
- +PostgreSQL extension
- +Time series optimized
- +Full SQL support
- +Easy to start
- +Good compression
Weaknesses
- -PostgreSQL required
- -Some features paid
- -Learning curve
- -Scaling complex
- -Resource usage
Key features
QuestDB
Time series database for fast analytics
Strengths
- +Very fast time-series
- +SQL interface
- +Good for financial data
- +Open source
- +Low resource usage
Weaknesses
- -Smaller community
- -Less features than competitors
- -Newer platform
- -Limited ecosystem
- -Specific use cases
Key features
Pricing: TimescaleDB vs QuestDB
| Plan | TimescaleDB | QuestDB |
|---|---|---|
| Tier 1 | Free Self-hosted | Free Open Source |
| Tier 2 | $29 month Cloud | Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on TimescaleDB pricing and QuestDB pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: TimescaleDB
Want the highest-rated option?
Neither has user reviews yet.
Go with: TimescaleDB
Value user reviews?
Neither has user reviews yet.
Go with: TimescaleDB
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are data & databases tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
TimescaleDB
- Larger review base (114 reviews)
- Free tier available
- Our pick for this comparison
QuestDB
- Higher user rating: 4.8/5 vs 4.6/5
The Bottom Line
TimescaleDB is our pick.
Frequently Asked Questions
Is TimescaleDB or QuestDB better?
TimescaleDB is rated in our evaluation. Both are freemium.
What are TimescaleDB and QuestDB used for?
TimescaleDB: Time series database on PostgreSQL. QuestDB: Time series database for fast analytics.
What does TimescaleDB cost vs QuestDB?
TimescaleDB is freemium (free tier + paid plans). QuestDB is freemium (free tier + paid plans). Visit their websites for detailed pricing.