Prometheus vs SigNoz
| Tagline | Industry-standard metrics monitoring and alerting toolkit with PromQL | Open-source APM and observability for metrics, traces, and logs in one app |
| Category | Monitoring & Status Pages | Monitoring & Status Pages |
| Replaces | Datadog | Datadog |
| GitHub stars | 66k | 32k |
| Language | Go | TypeScript |
| License | Apache-2.0 | MIT |
| Self-host difficulty | 4/5 Involved | 3/5 Moderate |
| Deploy options | Docker Docker Compose Kubernetes Manual | Docker Docker Compose Kubernetes Manual |
| Managed hosting | ||
| Last updated | yesterday | 4 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Prometheus
- No built-in dashboards UI; you must pair it with Grafana
- Long-term storage and horizontal scale need add-ons (Thanos, Cortex, Mimir)
- No logs, traces, or APM out of the box (metrics only)
- Steeper operational learning curve than turnkey Datadog
SigNoz
- Runs a heavier stack (ClickHouse + OTel collector + multiple services), needing more resources than lightweight monitors
- Some advanced features and SSO are reserved for the cloud/enterprise tier
- No public status page or simple uptime checks like UptimeRobot
- Younger ecosystem than Datadog; fewer turnkey integrations
Bottom line
Choose SigNoz if you want the lower-effort setup; choose Prometheus for the larger community and ecosystem. Prometheus has seen more recent development. Open each guide below for deploy steps and the full feature gap.