Think Spotify Release Radar
Only better.
Refreshed multiple times a day
Checks for new music per playlist
Checks all artists in your playlists for new music
Not just the ones you follow
Top Charts ranks the top 100 songs of the week based on Apple Music, Youtube and Spotify streaming, iTunes sales, and also radio airplay on myTuner app.
Music Metrics Vault is a free tool providing Spotify analytics and metrics, such as Artist analytics and most streams tracks, monthly listeners and followers tracking, most popular artists by countries and cities.