Comparison

Amazon Timestream vs QuestDB

No clear leader: QuestDB (49.9) and Amazon Timestream (46.7) 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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon Timestream47
QuestDB50
Score
vioscaleAI score
Amazon Timestream47 / 100medium · 70%
QuestDB50 / 100medium · 70%
Pricing
Free tier
Amazon Timestream✓
QuestDB✓
Model
Amazon Timestreamfreemium
QuestDBfreemium
Price level
Amazon Timestreamlow
QuestDBlow
Transparent
Amazon Timestream✗
QuestDB✗
Integrations
Count
Amazon Timestream1
QuestDB7
Security
Disclosure policy
Amazon Timestream✓
QuestDB–
Fedramp
Amazon Timestream✓
QuestDB–
Gdpr
Amazon Timestream✓
QuestDB✓
Hipaa
Amazon Timestream✓
QuestDB–
Pci
Amazon Timestream✓
QuestDB–
Scorecard
Amazon Timestream–
QuestDB4.4
Soc2
Amazon Timestream–
QuestDB✓
Trust center
Reliability
Sla pct
Amazon Timestream99.99
QuestDB99.9
Status page
Amazon Timestream✓
QuestDB–
Adoption
Dependent repos
Amazon Timestream–
QuestDB106
Github stars
Amazon Timestream–
QuestDB17,444
Activity
Commits last 30d
Amazon Timestream–
QuestDB38
Release
Cadence days
Amazon Timestream–
QuestDB16
History
Amazon Timestream–
QuestDB20 items
License
Spdx
Amazon Timestream–
QuestDBApache-2.0
Language
Primary
Amazon Timestream–
QuestDBJava
Content
Faq
Amazon Timestream5 items
QuestDB8 items

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)
Amazon TimestreamSQL
QuestDBSQL with time-series extensions (SAMPLE BY, ASOF, HORIZON JOIN, N-dimensional ar
SQL compatibility
Amazon TimestreamFull SQL
QuestDBFull SQL
Ingest
Ingest model
Amazon TimestreamPush
QuestDBPush
Model
Data model
Amazon TimestreamMetrics (labels/tags)
QuestDBWide events
Lifecycle
Downsampling / rollups
Amazon TimestreamContinuous aggregates
QuestDBContinuous aggregates
Retention / TTL
Amazon TimestreamAutomatic
QuestDBAutomatic
Storage
Compression (columnar / delta / Gorilla)
Amazon Timestream-
QuestDBcolumnar with frame compression
Performance
High-cardinality handling
Amazon TimestreamStrong
QuestDBStrong
Scale
Clustering / horizontal scale
Amazon TimestreamDistributed / sharded
QuestDBDistributed / sharded
Replication / HA
Amazon Timestream✓
QuestDB✓
Deployment
Deployment
Amazon TimestreamManaged
QuestDBSelf-hosted
Interop
Prometheus remote-write compatible
Amazon Timestream-
QuestDB-
Licensing
Licence class
Amazon TimestreamProprietary
QuestDBPermissive OSS

What each one is

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

Amazon Timestream

A fully managed time-series database engine available in multiple variants optimized for different use cases: one designed for real-time analytics with millisecond query performance, and another based on open-source InfluxDB. Automatically scales to handle millions of data points per second with transparent data lifecycle management across hot and cold storage tiers.

Independently observed

QuestDB

A specialized database engineered to ingest high-volume time-series data at speed, execute queries with minimal latency, and maintain queryable history across tiered storage layers—combining standard SQL with open file formats for portability.

Independently observed

Pricing

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

Amazon Timestream

Hybrid

On-demand hourly compute/storage or 1-year Database Savings Plans

  • On-DemandHourly compute and storage charges, no upfront commitments
  • Database Savings Plans1-year commitment with cost savings vs on-demand
as of verify ↗

QuestDB

HybridFree tier

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

as of verify ↗

Platform & deployment

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

Platforms
Web
Amazon Timestream✓
QuestDB✓
macOS
Amazon Timestream✗
QuestDB✓
Windows
Amazon Timestream✗
QuestDB✓
Linux
Amazon Timestream✗
QuestDB✓
CLI
Amazon Timestream✓
QuestDB✓
Deployment
Cloud / SaaS
Amazon Timestream✓
QuestDB✓
Self-hosted
Amazon Timestream✗
QuestDB✓
Hybrid
Amazon Timestream✗
QuestDB✓

Integrations

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

Amazon Timestream

1 total
  • AWS services
Independently observed

QuestDB

19 total
  • PostgreSQL
  • Parquet
  • Arrow
  • Polars
  • Pandas
  • Debezium
  • Iceberg
  • MySQL
  • MongoDB
  • Cassandra
  • Kafka
  • Apache Parquet
  • Apache Arrow
  • Claude Code
  • REST API
  • Apache Iceberg
  • Databricks
  • AWS
  • Azure
Independently observed
Still deciding?

Amazon Timestream or QuestDB: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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