Better Uptime vs Grafana Mimir

Better Uptime (now part of Better Stack) is a website and infrastructure monitoring service that checks uptime every 30 seconds from multiple global locations. It provides incident management, on-call scheduling, and public status pages.

Grafana Mimir is a monitoring tool that open-source horizontally scalable long-term storage backend for prometheus metrics, designed for multi-tenant environments. It is open source software.