Which library is prefered for metrics generation on prometheus (App.Metrics vs Prometheus.net)

Question

I am trying to add metrics observability part in my .net core application. I currently see two libraries for this purpose.

1. https://www.app-metrics.io/reporting/reporters/prometheus/ (https://github.com/AppMetrics/AppMetrics/tree/features/4.2.0)
2. https://github.com/prometheus-net/prometheus-net

Both repositories are activite and I see articles to show metrics in .net via both libraries. Is there any reason I should prefer one over another?