We've found that listening to the song together and chatting about it live is a great way to discover new music, it's like you're listening to music in the same room, and playing DJ for each other.
Lisn lets you pick a song from Spotify or Soundcloud and send it to your friends. When both of you are online, you can listen to synced music together and build a playlist of recommendations over time.
We've been in closed beta for a couple months now and have just released to the App Store for our public beta!
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