Mainly the mechanism for discovery & delivery - podcasts used to be RSS or Atom + Audio which allowed for repackaging and offline play. With Spotify you need t

Mainly the mechanism for discovery & delivery - podcasts used to be RSS or Atom + Audio which allowed for repackaging and offline play. With Spotify you need their specific app to listen. You have offline on premium but not on the free level. Joe is now a feature of Spotify rather than being it's own destination.