Home / Alternatives to Datadog / Datadog vs SigNoz

Datadog vs SigNoz

A side-by-side look at Datadog (the paid SaaS) and SigNoz (the open source alternative). Use this page to decide if the switch fits your team and workflow.

Datadog SigNoz
Tagline Infrastructure and application monitoring. Open source Datadog alternative — metrics, traces and logs in one.
License Proprietary SaaS Apache-2.0 (community) / commercial (cloud)
Pricing From $15/host/month (Infrastructure). Free to self-host · optional paid hosted plan
Self-host option No Yes — difficulty 3/5
Hosted cloud available Yes (only option) Yes
Desktop apps Varies by product Web only
Mobile apps Official apps typically available None official
Ad slot — between tables

Best for

Unified metrics, traces and logs with an OpenTelemetry-native stack.

SigNoz strengths

  • Unified metrics + traces + logs UI.
  • OpenTelemetry native.
  • Modern UI closer to Datadog.

SigNoz weaknesses

  • Heavy resource requirements for full stack.
  • Cloud tier pricing is newer.
  • Smaller plugin ecosystem than Prometheus.

What's the catch with Datadog?

  • Notoriously expensive once volume grows.
  • Bills can spike unexpectedly.
  • Vendor lock-in with proprietary agents.

Still unsure?

Check the full list of alternatives to Datadog: see Datadog alternatives, or learn more about SigNoz on its project page.