Comparison

QuestDB vs TimescaleDB

No clear leader: TimescaleDB (55.2) and QuestDB (50.3) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
QuestDB50
TimescaleDB55
Score
Vioscale score
QuestDB50 / 100medium · 65%updating
TimescaleDB55 / 100medium · 51%updating
Pricing
Free tier
QuestDB
TimescaleDB
Model
QuestDBcommercial
TimescaleDBcommercial
Price level
QuestDBlow
TimescaleDBlow
Transparent
QuestDB
TimescaleDB
Integrations
Count
QuestDB10
TimescaleDB7
Reliability
Sla pct
QuestDB99.9
TimescaleDB
Status page
QuestDB
TimescaleDB
Adoption
Dependent repos
QuestDB106
TimescaleDB0
Github stars
QuestDB17,279
TimescaleDB23,420
Activity
Commits last 30d
QuestDB64
TimescaleDB100
Release
Cadence days
QuestDB16
TimescaleDB13
History
QuestDB20 items
TimescaleDB20 items
License
Spdx
QuestDBApache-2.0
TimescaleDB
Language
Primary
QuestDBJava
TimescaleDBC

Capabilities

Feature-by-feature on the axes that matter for time-series databases. “-” means undocumented, not absent.

Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)
QuestDBSQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar
TimescaleDBSQL
SQL compatibility
QuestDBFull SQL
TimescaleDBFull SQL
Ingest
Ingest model
QuestDBPush
TimescaleDBBoth
Model
Data model
QuestDBWide events
TimescaleDBMetrics (labels/tags)
Lifecycle
Downsampling / rollups
QuestDBContinuous aggregates
TimescaleDB-
Retention / TTL
QuestDB-
TimescaleDB-
Storage
Compression (columnar / delta / Gorilla)
QuestDBcolumnar with frame compression
TimescaleDB-
Performance
High-cardinality handling
QuestDBStrong
TimescaleDB-
Scale
Clustering / horizontal scale
QuestDBDistributed / sharded
TimescaleDBDistributed / sharded
Replication / HA
QuestDB
TimescaleDB-
Deployment
Deployment
QuestDBSelf-hosted
TimescaleDBEmbedded
Interop
Prometheus remote-write compatible
QuestDB-
TimescaleDB-
Licensing
Licence class
QuestDBPermissive OSS
TimescaleDBPermissive OSS

What each one is

The product in its own terms, so the numbers below have context.

QuestDB

QuestDB is an open-source time-series database engineered for low latency, delivering ultra-low latency ingestion, high throughput, and multi-tier storage for demanding time-series workloads.

Independently observed

TimescaleDB

TimescaleDB is a PostgreSQL extension designed to handle machine data and time-series workloads at scale, enabling operational databases for IoT platforms and physical-world monitoring.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

QuestDB

HybridFree tier

Open-source Apache 2.0 free tier; QuestDB Cloud and Enterprise plans available via contact/quote

as of verify ↗

TimescaleDB

HybridFree tier

Open source core; Cloud managed and Enterprise self-hosted options available; contact sales for pricing details

  • Cloud Basic SupportFree
    • Email support
    • General questions
    • Best practices guidance
  • Cloud Production SupportContact sales
    • 24x7 support for Severity 1-2
    • 1h response for critical issues
    • Support portal access
    • On-call assistance
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
QuestDB
TimescaleDB
CLI
QuestDB
TimescaleDB
Deployment
Cloud / SaaS
QuestDB
TimescaleDB
Self-hosted
QuestDB
TimescaleDB
On-premise
QuestDB
TimescaleDB

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (1)
  • Iceberg

QuestDB

10 total - 9 not shared
  • PostgreSQL
  • Parquet
  • Arrow
  • Polars
  • Pandas
  • Debezium
  • MySQL
  • MongoDB
  • Cassandra
Independently observed

TimescaleDB

7 total - 6 not shared
  • Kafka
  • S3
  • AWS
  • Azure
  • Observability tools
  • Postgres ecosystem
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.