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SigNoz vs Datadog: catalog facts
SigNoz	Datadog
Freemium Open-source self-hosted edition is free; SigNoz also offers a paid cloud version.	Paid Usage-based subscription with a free trial.
Self-hosted	Android, iOS, Web
Combines APM, logs, traces and metrics in one open source platform Built on open standards like OpenTelemetry rather than a proprietary agent	Metrics, logs, traces and security in one service Very broad range of integrations and products
Running your own ClickHouse-backed stack adds operational overhead versus a hosted SaaS Feature parity with mature commercial APM tools is still catching up	Costs can grow quickly with usage Data is sent to a third-party cloud
Self-hosted, Downloadable app	Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.