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TimescaleDB vs QuestDB: catalog facts
TimescaleDB	QuestDB
Freemium Free, open-source self-hosted extension, with a paid managed cloud service.	Freemium A free edition or tier is available. Additional features or hosted services require…
Self-hosted	Self-hosted
Adds time-series scalability to a database teams likely already know: Postgres Stays compatible with the standard PostgreSQL ecosystem and tooling	Supports time-oriented SQL queries Offers an open-source self-hosted edition
Best performance gains apply specifically to time-series workloads, not general-purpose data Advanced clustering and cloud features sit behind the paid offering	Managed service and enterprise capabilities have separate terms.
Self-hosted, Downloadable app	Self-hosted
Open source	Open source
License not stated	License: Apache-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.