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Head-to-head · Time-Series Databases

Amazon Timestream vs QuestDB

  • 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
QuestDB #9 in Time-Series Databases 8.4/10 Free plan Free plan✓ 3 of 3 features Visit QuestDB

Amazon Timestream leads on 0 checks, QuestDB 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 QuestDB

Amazon Timestream scores higher on our rubric for time-series databases: 9.1 against 8.4 out of 10; our editors rank them #2 and #9.

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

Amazon Timestream is the better fit for managed AWS time-series deployments. QuestDB is the better fit for open-source SQL time-series deployments.

  • Amazon Timestream fits best

    Managed AWS time-series deployments

  • QuestDB fits best

    Open-source SQL time-series deployments

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 ↗ QuestDB 8.4/10 Visit ↗
At a glance
Editor score 9.1 8.4
Ranking #2 in Time-Series Databases #9 in Time-Series Databases
Best for Managed AWS time-series deployments Open-source SQL time-series deployments
Pricing model Paid Free
Starting price — Free plan
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Self-hosted, Browser extension
Platforms Web Web, Windows, macOS, Linux
Support Docs Email, Community, Docs
Integrations 11 integrations 11 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Amazon Timestream 3/3 · QuestDB 3/3
SQL support ✓ ✓
Retention policies ✓ ✓
Horizontal scaling ✓ ✓
Specs
Deployment Cloud Both
Query languages SQL, Flux, InfluxQL QuestDB SQL, PostgreSQL wire protocol, REST API, Apache Parquet
Ingestion methods AWS SDKs, AWS CLI, WriteRecords API, AWS Lambda, AWS IoT Core, Amazon Managed Service for Apache Flink, Amazon Kinesis, Amazon MSK, Telegraf QuestDB Wire Protocol, InfluxDB Line Protocol, REST API, native client libraries, SQL INSERT, Kafka connector, CSV import
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
  • Apache 2.0 core with self-managed deployment
  • SQL extensions, retention policies, and materialized views
  • Integrates with Kafka, Grafana, Spark, and Parquet
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
  • High availability and replication are Enterprise features
  • Enterprise pricing is contact-based
  • Self-managed deployment requires infrastructure ownership
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 →

QuestDB is an open-source time-series database for financial market data, telemetry, and real-time analytics. It is aimed at teams that want SQL alongside time-series capabilities, with a column-oriented, time-partitioned storage engine…

Read the review →
  1. Amazon TimestreamTime-Series Databases 9.1Paid
  2. QuestDBTime-Series Databases 8.4Free 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

  • QuestDB — where it wins

    • Apache 2.0 core with self-managed deployment
    • SQL extensions, retention policies, and materialized views
    • Integrates with Kafka, Grafana, Spark, and Parquet

    Where it doesn't

    • High availability and replication are Enterprise features
    • Enterprise pricing is contact-based
    • Self-managed deployment requires infrastructure ownership
  • Amazon Timestream9.1/10 · Paid

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

    Visit siteFull verdict →
  • QuestDB8.4/10 · Free plan

    A strong fit for teams wanting SQL, flexible ingestion, and self-managed time-series infrastructure.

    Visit QuestDBFull 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