SigNoz vs Prometheus: Which is Better in 2026?
Choosing between SigNoz and Prometheus comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Prometheus is our overall pick for monitoring workflows. Pick SigNoz if you need DevOps.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
SigNoz
Open-source APM and observability
Best for you if:
- • You need DevOps features specifically
- • SigNoz is an open-source observability platform for metrics and traces
- • It provides APM, logs, and distributed tracing in one tool
Prometheus
Monitoring and alerting toolkit
Best for you if:
- • You need something completely free
- • You need monitoring features specifically
- • Prometheus is an open-source monitoring system with a time-series database
- • It collects metrics, provides alerting, and powers Grafana dashboards
| At a Glance |  SigNoz |  Prometheus |
|---|---|---|
Starts at | $199/monthTeams | Free |
Best For | DevOps | Monitoring |
Rating | - | - |
Choose SigNoz or Prometheus?
Choose SigNoz if
Open-source APM and observability
- Open source observability
- All-in-one
- Self-hostable
- Your work is DevOps-shaped, not monitoring-shaped
Choose Prometheus if
Monitoring and alerting toolkit
- Industry standard
- Great for metrics
- Open source
- You want a fully free tool (SigNoz requires payment)
- Your work is monitoring-shaped, not DevOps-shaped
| Feature | SigNoz | Prometheus |
|---|---|---|
| Pricing Model | Freemium | Free |
| User Rating | No ratings yet | ★4.3/5 135 reviews |
| Categories | DevOpsMonitoring | MonitoringDevOps |
In-Depth Analysis
SigNoz
Open-source APM and observability
Strengths
- +Open source observability
- +All-in-one
- +Self-hostable
- +OpenTelemetry native
- +Fair cloud pricing
Weaknesses
- -Newer platform
- -Self-hosting complex
- -Smaller community
- -Documentation improving
- -Less features than Datadog
Key features
Prometheus
Monitoring and alerting toolkit
Strengths
- +Industry standard
- +Great for metrics
- +Open source
Weaknesses
- -Long-term storage
- -Learning curve
Key features
Pricing: SigNoz vs Prometheus
| Plan | SigNoz | Prometheus |
|---|---|---|
| Tier 1 | Free Community | Free Free |
| Tier 2 | $199 month Teams | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on SigNoz pricing and Prometheus pricing.
Who Should Use What?
On a budget?
Prometheus is free. SigNoz is freemium.
Go with: Prometheus
Want the highest-rated option?
Neither has user reviews yet.
Go with: SigNoz
Value user reviews?
Neither has user reviews yet.
Go with: Prometheus
3 Questions to Help You Decide
What's your budget?
SigNoz is freemium. Prometheus is free. Go with Prometheus if free matters most.
What's your use case?
SigNoz is a DevOps tool. Prometheus is in monitoring. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Prometheus
- Completely free
- Our pick for this comparison
SigNoz
- Better fit for DevOps
The Bottom Line
Prometheus is our pick.
Frequently Asked Questions
Is SigNoz or Prometheus better?
Prometheus is rated in our evaluation. SigNoz is freemium and Prometheus is free.
What are SigNoz and Prometheus used for?
SigNoz: Open-source APM and observability. Prometheus: Monitoring and alerting toolkit.
What does SigNoz cost vs Prometheus?
SigNoz is freemium (free tier + paid plans). Prometheus is completely free. Visit their websites for detailed pricing.