Mackerel vs Prometheus
| Mackerel | Prometheus | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | ¥2,180/mo | Free |
| Open source | No | No |
| Platforms | Web, Linux, Windows | Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| VM monitoring | Yes | — |
| Service monitoring | Yes | — |
| Metrics retention | custom | — |
| Deployment model | cloud | — |
| OS coverage | linux and windows | — |
| Agentless monitoring | Yes | — |
Both are listed in Best Infrastructure Monitoring, Best Cloud Monitoring. On Samsung Mobile US Press, Prometheus scores higher on our published basis.