Grafana OnCall vs Prometheus: Which Should You Choose in 2026?
Choosing between Grafana OnCall 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Grafana OnCall
On-call management for Grafana
Best for you if:
- 0
- • You need automation features specifically
- • Grafana OnCall is an open-source on-call management and alerting system
- • It routes alerts, manages schedules, and escalates incidents integrated with Grafana
Prometheus
Monitoring and alerting toolkit
Best for you if:
- 0
- • You need something completely free
- • You need data visualization 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 |  Grafana OnCall |  Prometheus |
|---|---|---|
Price | Free + Paid | Free |
Best For | Automation | Data Visualization |
Rating | - | - |
| Feature | Grafana OnCall | Prometheus |
|---|---|---|
| Pricing Model | Freemium | Free |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | AutomationMonitoring | Data VisualizationMonitoring |
How Grafana OnCall and Prometheus Compare
Grafana OnCall
On-call management for Grafana
Free tier available
Prometheus
Monitoring and alerting toolkit
Free
Grafana OnCall is a automation tool. Prometheus is in data visualization.
Who Should Use What?
On a budget?
Prometheus is free. Grafana OnCall is freemium.
Go with: Prometheus
Want the highest-rated option?
Neither has user reviews yet.
Go with: Grafana OnCall
Value user reviews?
Neither has user reviews yet.
Go with: Grafana OnCall
3 Questions to Help You Decide
What's your budget?
Grafana OnCall is freemium. Prometheus is free. Go with Prometheus if free matters most.
What's your use case?
Grafana OnCall is a automation tool. Prometheus is in data visualization. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Grafana OnCall
- 0
- Free tier available
- Our pick for this comparison
Prometheus
- Completely free
- Better fit for data visualization
The Bottom Line
Grafana OnCall is our pick. That said, Prometheus is free, hard to beat on price.
Frequently Asked Questions
Is Grafana OnCall or Prometheus better?
Grafana OnCall is rated high in our evaluation. Grafana OnCall is freemium and Prometheus is free.
What are Grafana OnCall and Prometheus used for?
Grafana OnCall: On-call management for Grafana. Prometheus: Monitoring and alerting toolkit.
What does Grafana OnCall cost vs Prometheus?
Grafana OnCall is freemium (free tier + paid plans). Prometheus is completely free. Visit their websites for detailed pricing.