Short answer: For a beginner building a small SaaS custom metrics dashboard, I would start with a push API for app-level metrics; I would keep Prometheus plus Grafana for Kubernetes, host monitoring, or any system that needs its richer infrastructure ecosystem. That recommendation has a hard bou...
Source: [Dev.to](https://dev.to/valenciamoss6824/prometheus-alternative-for-a-small-saas-custom-metrics-dashboard-1kpp)