9/10: A Tinder-like music discovery app for iOS & web in which you like and dislike full-length songs. First, you create a "stack" of songs you already like from your Spotify, and it starts a queue based on that. Does it work? Yes, its algorithm is reactive to likes and dislikes.
9/10: As a music discovery tool, Radiant is something else with its witty AI companion who trolls you with bad jokes, news, and very unnecessary information about the next song. It's an experiment in interactive & personalized digital radio, and you will be savagely entertained.