Prometheus vs UptimeRobot
Updated June 2026 · A structured head-to-head comparison.
Open-source metrics and alerting.
Uptime monitoring, free.
The verdict
Both Prometheus and UptimeRobot are credible monitoring tools, and the right pick comes down to your priorities.
Prometheus — Open-source metrics and alerting.
UptimeRobot — Uptime monitoring, free.
Prometheus vs UptimeRobot: side by side
| Dimension | Prometheus | UptimeRobot |
|---|---|---|
| Starting price | Free | Free – $7/mo |
| Free plan | Yes | Yes |
| Pricing model | Open source | Freemium |
| Best for | Devops Teams, Developers | Developers, Smb |
| Platforms | Self Hosted | Web, Api |
| Rating | 4.6/5 | 4.6/5 |
Prometheus key facts
- Vendor
- CNCF
- Pricing
- Open source — Free
- Free tier
- Yes
- Platforms
- Self Hosted
- Best for
- Devops Teams, Developers
- Editor rating
- 4.6 / 5
- Founded
- 2012
- Headquarters
- Open source (CNCF)
UptimeRobot key facts
- Vendor
- UptimeRobot
- Pricing
- Freemium — Free – $7/mo
- Free tier
- Yes
- Platforms
- Web, Api
- Best for
- Developers, Smb
- Editor rating
- 4.6 / 5
- Founded
- 2010
- Headquarters
- London, UK
Frequently asked questions
Is Prometheus better than UptimeRobot?
Neither is universally better — Prometheus edges ahead on overall rating, but the best choice depends on price, platforms, and your use case. See the side-by-side table above.
Is Prometheus or UptimeRobot cheaper?
Prometheus is the more affordable of the two to get started, at free. Prometheus starts at free; UptimeRobot starts at free – $7/mo.
Can Prometheus replace UptimeRobot?
Yes for most teams — both are monitoring tools with heavily overlapping features. The main trade-offs are pricing and platform support, covered in the comparison above.