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Head-to-head · Time-Series Databases

Amazon Timestream vs GreptimeDB

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Amazon Timestream #2 in Time-Series Databases 9.1/10 Paid ✓ 3 of 3 features Visit site
GreptimeDB #13 in Time-Series Databases 7.7/10 Free plan Free plan✓ 3 of 3 features Visit GreptimeDB

Amazon Timestream leads on 0 checks, GreptimeDB on 1, and 3 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 scoreAmazon Timestream · 9.1/10
  • Free planonly GreptimeDB

Amazon Timestream scores higher on our rubric for time-series databases: 9.1 against 7.7 out of 10; our editors rank them #2 and #13.

GreptimeDB offers free plan; Amazon Timestream doesn't. On deployment, GreptimeDB gives you Both where Amazon Timestream offers Cloud.

Amazon Timestream is the better fit for managed AWS time-series deployments. GreptimeDB is the better fit for observability data across metrics, logs, and traces.

  • Amazon Timestream fits best

    Managed AWS time-series deployments

  • 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 Amazon Timestream 9.1/10 Visit ↗ GreptimeDB 7.7/10 Visit ↗
At a glance
Editor score 9.1 7.7
Ranking #2 in Time-Series Databases #13 in Time-Series Databases
Best for Managed AWS time-series deployments Observability data across metrics, logs, and traces
Pricing model Paid Free plan + paid
Starting price — $290/mo
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Self-hosted
Platforms Web Web, Linux
Support Docs Community, Docs · 24/7
Integrations 11 integrations 20 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Amazon Timestream 3/3 · GreptimeDB 3/3
SQL support ✓ ✓
Retention policies ✓ ✓
Horizontal scaling ✓ ✓
Specs
Deployment Cloud Both
Query languages SQL, Flux, InfluxQL SQL, PromQL, Log Query
Ingestion methods AWS SDKs, AWS CLI, WriteRecords API, AWS Lambda, AWS IoT Core, Amazon Managed Service for Apache Flink, Amazon Kinesis, Amazon MSK, Telegraf Prometheus Remote Write, OpenTelemetry OTLP/HTTP, Loki Push API, Elasticsearch Bulk API, InfluxDB Line Protocol, MySQL, PostgreSQL, gRPC, HTTP
Our review
Pros
  • Serverless and managed InfluxDB engines support different workloads
  • SQL queries span memory and magnetic storage tiers
  • AWS APIs, Grafana, Lambda, Telegraf, and CloudFormation integrations
  • SQL and PromQL querying across observability data
  • Ingests OpenTelemetry, Prometheus, Loki, Elasticsearch, and InfluxDB
  • Supports retention, continuous aggregation, and distributed deployment
Cons
  • Cloud-only deployment limits infrastructure choice
  • Usage-based pricing varies by region, engine, and configuration
  • Timestream for LiveAnalytics has an End of Support Notice
  • Log Query is listed as experimental
  • Self-managed deployment requires infrastructure ownership
  • Bring Your Own Cloud pricing is custom
Our verdict

Amazon Timestream is a fully managed AWS service for storing, ingesting, and querying time-series data. It is aimed at teams building real-time monitoring, IoT, DevOps, and analytics applications within the AWS ecosystem. The service…

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. Amazon TimestreamTime-Series Databases 9.1Paid
  2. GreptimeDBTime-Series Databases 7.7Free plan

Strengths and trade-offs

  • Amazon Timestream — where it wins

    • Serverless and managed InfluxDB engines support different workloads
    • SQL queries span memory and magnetic storage tiers
    • AWS APIs, Grafana, Lambda, Telegraf, and CloudFormation integrations

    Where it doesn't

    • Cloud-only deployment limits infrastructure choice
    • Usage-based pricing varies by region, engine, and configuration
    • Timestream for LiveAnalytics has an End of Support Notice

  • 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
  • Amazon Timestream9.1/10 · Paid

    A managed AWS option with flexible ingestion, retention, SQL, and InfluxDB support.

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

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

    Visit GreptimeDBFull verdict →

More comparisons

All Time-Series databases comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update