head to head · open source
InfluxDB vs QuestDB
InfluxDB has 31,748 GitHub stars, 3,718 forks, 2,165 open issues and last shipped yesterday. QuestDB has 17,326 stars, 1,648 forks, 952 open issues and last shipped today. InfluxDB leads on adoption by 83% (31,748 vs 17,326 stars). InfluxDB is written in Rust under Apache-2.0; QuestDB is written in Java under Apache-2.0. InfluxDB has attracted 12% as many forks as stars, QuestDB 10%. QuestDB was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (database), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| InfluxDB | QuestDB | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 17K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Rust | Java |
| Last push | 2026-09-17 | 2026-09-18 |
| Forks | ⑂ 3.7K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick InfluxDB if
- You weight community size — 32K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick QuestDB if
- You want the QuestDB feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and QuestDB fits your workflow better
About InfluxDB
InfluxDB 3 Core is an open source time series database purpose built for real time ingestion, processing, and querying of event and metrics data. It lives in the InfluxDB ecosystem and is the latest major version, generally available since April 2025. Built with Rust and leveraging Apache Arrow, DataFusion, and Parquet, it replaces older versions (v1.x, v2.x) with a new architecture optimized for low latency analytics and interactive workloads.
read the full InfluxDB overview →
About QuestDB
QuestDB open source time series database. Java, Apache 2.0, category Infrastructure & Operations / Databases. Lives in open source database ecosystem for massive data scale, low latency, real time analytics.
read the full QuestDB overview →
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Frequently asked questions
Is InfluxDB or QuestDB more popular?
InfluxDB has 31,748 GitHub stars and QuestDB has 17,326. InfluxDB has the larger community by that measure.
Are InfluxDB and QuestDB free?
Both are open source. InfluxDB is licensed under Apache-2.0 and QuestDB under Apache-2.0. Neither carries a licence fee.
What is the difference between InfluxDB and QuestDB?
InfluxDB is written in Rust and QuestDB in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, InfluxDB or QuestDB?
Choose InfluxDB if you want the larger community (31,748 stars) or its Apache-2.0 licence terms. Choose QuestDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.