Heartbeat - Listen to music with your friends together, on Spotify
Spotify - Map shows when two people play same song at same time
Festify - Festify is a free Spotify-powered app that lets your guests choose which music should be played...
DiscVibe - Create personalized and contextualized Spotify playlists
Join My Playlist - Listen to music live together with your friends in Spotify.
Ranked Records - Create Spotify playlists with all an artist's songs