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Head-to-head · Time-Series Databases

TimescaleDB vs GreptimeDB

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score TimescaleDB #11 in Time-Series Databases 7.9/10 Free plan Free plan✓ 1 of 3 features Visit TimescaleDB
GreptimeDB #13 in Time-Series Databases 7.7/10 Free plan Free plan✓ 3 of 3 features Visit GreptimeDB

TimescaleDB leads on 0 checks, GreptimeDB on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreTimescaleDB · 7.9/10
  • Free planboth
  • Most featuresGreptimeDB · 3 of 3

TimescaleDB scores higher on our rubric for time-series databases: 7.9 against 7.7 out of 10; our editors rank them #11 and #13.

TimescaleDB is the better fit for postgreSQL teams needing time-series capabilities. GreptimeDB is the better fit for observability data across metrics, logs, and traces.

  • TimescaleDB fits best

    PostgreSQL teams needing time-series capabilities

  • GreptimeDB fits best

    Observability data across metrics, logs, and traces

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature TimescaleDB 7.9/10 Visit ↗ GreptimeDB 7.7/10 Visit ↗
At a glance
Editor score 7.9 7.7
Ranking #11 in Time-Series Databases #13 in Time-Series Databases
Best for PostgreSQL teams needing time-series capabilities Observability data across metrics, logs, and traces
Pricing model Free plan + paid Free plan + paid
Starting price $30/GB/mo $290/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web, Linux Web, Linux
Support Email, Tickets, Community, Docs · 24/7 Community, Docs · 24/7
Integrations 10 integrations 20 integrations
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features TimescaleDB 1/3 · GreptimeDB 3/3
SQL support ✓ ✓
Retention policies Not checked yet ✓ (best)
Horizontal scaling Not checked yet ✓ (best)
Specs
Deployment Not checked yet Both
Query languages Not checked yet SQL, PromQL, Log Query
Ingestion methods Not checked yet Prometheus Remote Write, OpenTelemetry OTLP/HTTP, Loki Push API, Elasticsearch Bulk API, InfluxDB Line Protocol, MySQL, PostgreSQL, gRPC, HTTP
Our review
Pros
  • Hypertables add automatic time- or ID-based partitioning
  • Combines row, columnar, compression and continuous aggregates
  • Supports PostgreSQL tooling, pgvector and broad data integrations
  • SQL and PromQL querying across observability data
  • Ingests OpenTelemetry, Prometheus, Loki, Elasticsearch, and InfluxDB
  • Supports retention, continuous aggregation, and distributed deployment
Cons
  • Tiger Cloud billing combines compute with separate storage charges
  • Enterprise pricing is custom rather than publicly listed
  • Advanced capabilities require PostgreSQL familiarity
  • Log Query is listed as experimental
  • Self-managed deployment requires infrastructure ownership
  • Bring Your Own Cloud pricing is custom
Our verdict

TimescaleDB extends PostgreSQL for applications that ingest, store and analyze time-series and operational data alongside relational records. It is aimed at teams that want SQL compatibility, existing PostgreSQL clients and drivers, and…

Read the review →

GreptimeDB is an open-source, columnar database for storing and querying metrics, logs, traces, and other time-indexed data. It is aimed at teams that want one observability data layer with SQL for cross-signal analysis and PromQL for…

Read the review →
  1. TimescaleDBTime-Series Databases 7.9Free plan
  2. GreptimeDBTime-Series Databases 7.7Free plan

Strengths and trade-offs

  • TimescaleDB — where it wins

    • Hypertables add automatic time- or ID-based partitioning
    • Combines row, columnar, compression and continuous aggregates
    • Supports PostgreSQL tooling, pgvector and broad data integrations

    Where it doesn't

    • Tiger Cloud billing combines compute with separate storage charges
    • Enterprise pricing is custom rather than publicly listed
    • Advanced capabilities require PostgreSQL familiarity

  • GreptimeDB — where it wins

    • SQL and PromQL querying across observability data
    • Ingests OpenTelemetry, Prometheus, Loki, Elasticsearch, and InfluxDB
    • Supports retention, continuous aggregation, and distributed deployment

    Where it doesn't

    • Log Query is listed as experimental
    • Self-managed deployment requires infrastructure ownership
    • Bring Your Own Cloud pricing is custom
  • TimescaleDB7.9/10 · Free plan

    A PostgreSQL-compatible time-series extension for teams needing relational and analytical workloads together.

    Visit TimescaleDBFull verdict →
  • GreptimeDB7.7/10 · Free plan

    A flexible observability database that combines SQL, PromQL, and broad ingestion support.

    Visit GreptimeDBFull verdict →

All Time-Series databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update