Comparison

TDengine vs TimescaleDB

No clear leader: TDengine (55.6) and TimescaleDB (55.2) 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.

TDengine full profile →TimescaleDB full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

TDengine56

TimescaleDB55

Attribute comparison across 2 tools
Attribute	TDengine	TimescaleDB
Vioscale score	56 / 100medium · 69%	55 / 100medium · 51%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	3	7
Security
Disclosure policysecurity.disclosure_policy	-	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	✓	-
Scorecardsecurity.scorecard	4	5.8
Soc2security.soc2	✓	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40tdengine%2Fclient&per_page=100 · Last 12m: 0	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=timescaledb&per_page=100 · Last 12m: 0
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	7	0
Github starsadoption.github_stars	25,090	23,420
Activity
Commits last 30dactivity.commits_last_30d	100	100
Release
Cadence daysrelease.cadence_days	28	13
Historyrelease.history	20 items	20 items
License
Spdxlicense.spdx	AGPL-3.0	-
Language
Primarylanguage.primary	C	C
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US

Score

Vioscale score

TDengine56 / 100medium · 69%

TimescaleDB55 / 100medium · 51%

Pricing

Free tier

TDengine✓

TimescaleDB✓

Model

TDenginefreemium

TimescaleDBcommercial

Price level

TDenginelow

TimescaleDBlow

Transparent

TDengine✓

TimescaleDB✗

Integrations

Count

TDengine3

TimescaleDB7

Security

Disclosure policy

TDengine–

TimescaleDB✓

Hipaa

TDengine–

TimescaleDB✓

Iso27001

TDengine✓

TimescaleDB–

Scorecard

TDengine4

TimescaleDB5.8

Soc2

TDengine✓

TimescaleDB✓

Vulnerabilities

TDengineCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40tdengine%2Fclient&per_page=100 · Last 12m: 0

TimescaleDBCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=debian&package_name=timescaledb&per_page=100 · Last 12m: 0

Reliability

Status page

TDengine✓

TimescaleDB✓

Adoption

Dependent repos

TDengine7

TimescaleDB0

Github stars

TDengine25,090

TimescaleDB23,420

Activity

Commits last 30d

TDengine100

TimescaleDB100

Release

Cadence days

TDengine28

TimescaleDB13

History

TDengine20 items

TimescaleDB20 items

License

Spdx

TDengineAGPL-3.0

TimescaleDB–

Language

Primary

TDengineC

TimescaleDBC

Market

Availability

TDengine–

TimescaleDBAvailable worldwide · Popular in US

Capabilities

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

Capability comparison for Time-Series Databases
Capability	TDengine	TimescaleDB
Query
Query language (SQL / PromQL / InfluxQL-Flux / Graphite)	-	SQL
SQL compatibility	-	Full SQL
Ingest
Ingest model	Push	Both
Model
Data model	Metrics (labels/tags)	Metrics (labels/tags)
Lifecycle
Downsampling / rollups	Continuous aggregates	-
Retention / TTL	-	-
Storage
Compression (columnar / delta / Gorilla)	-	-
Performance
High-cardinality handling	Strong	-
Scale
Clustering / horizontal scale	Distributed / sharded	Distributed / sharded
Replication / HA	✓	-
Deployment
Deployment	Self-hosted	Embedded
Interop
Prometheus remote-write compatible	-	-
Licensing
Licence class	Source-available	Permissive OSS

Query

Query language (SQL / PromQL / InfluxQL-Flux / Graphite)

TDengine-

TimescaleDBSQL

SQL compatibility

TDengine-

TimescaleDBFull SQL

Ingest

Ingest model

TDenginePush

TimescaleDBBoth

Model

Data model

TDengineMetrics (labels/tags)

TimescaleDBMetrics (labels/tags)

Lifecycle

Downsampling / rollups

TDengineContinuous aggregates

TimescaleDB-

Retention / TTL

TDengine-

TimescaleDB-

Storage

Compression (columnar / delta / Gorilla)

TDengine-

TimescaleDB-

Performance

High-cardinality handling

TDengineStrong

TimescaleDB-

Scale

Clustering / horizontal scale

TDengineDistributed / sharded

TimescaleDBDistributed / sharded

Replication / HA

TDengine✓

TimescaleDB-

Deployment

TDengineSelf-hosted

TimescaleDBEmbedded

Interop

Prometheus remote-write compatible

TDengine-

TimescaleDB-

Licensing

Licence class

TDengineSource-available

TimescaleDBPermissive OSS

What each one is

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

TDengine

AI-native industrial data platform and high-performance time-series database that unifies data ingestion, storage, analytics, modeling, visualization, and AI applications.

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.

TDengine

HybridFree tier

Free for up to 5,000 tags. Annual licenses from $12,500/year, perpetual from $31,250 (both scale with tag count). Optional support from $3,375/year. High Availability at +30%.

Free TierFree
- Up to 5,000 tags
- Product usage rights
Annual LicenseFrom $12,500/year for 7,500 tags. Standard Support included.
- Pricing scales from 7,500 to 500,000+ tags
- Standard Support
- Software updates
- Security patches
Perpetual LicenseFrom $31,250 for 7,500 tags. One-time payment.
- Perpetual usage rights

as of 2026-08-01verify ↗

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 2026-08-13verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	TDengine	TimescaleDB
WebPlatforms	✗	✓
macOSPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓
HybridDeployment	✓	✗

Platforms

Web

TDengine✗

TimescaleDB✓

macOS

TDengine✓

TimescaleDB✗

Linux

TDengine✓

TimescaleDB✗

CLI

TDengine✓

TimescaleDB✓

Deployment

Cloud / SaaS

TDengine✓

TimescaleDB✓

Self-hosted

TDengine✓

TimescaleDB✓

On-premise

TDengine✗

TimescaleDB✓

Hybrid

TDengine✓

TimescaleDB✗

Integrations

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

TDengine

3 total

Java
Python
Go

Independently observed

TimescaleDB

7 total

Kafka
S3
Iceberg
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.