I love Tidal for the audio quality and have no plans to go back to Spotify (unless they release a competitive hi-fi service). That said, the Tidal app (UI design, error frequency, AC/AA integration, etc) is not as polished and well-made as something like Spotify, and the lack of unification between playback on different devices was a bit of a letdown at first (I.e., you can play different tracks on different devices at the same time; you can’t use your phone as a remote control for playback on your desktop app).