Spotify updated for Apple iPhone and Apple iPad users
The download, which weighs in at 34.3MB, brings the usual bug fixes and performance enhancements. The Spotify update also includes a streamlined sign-in and a new interface for playlists, which is coming first to iPad users and will eventually hit the iPhone. The secret/private toggle for playlists is now on both the Apple iPhone and Apple iPad.
For the app to work, you need to have a $9.99 a month subscription to Spotify. The updates are being send out on a staggered basis, so if doesn't come today or tomorrow, don't worry. The update will soon arrive.
source: Spotify via idownloadblog, SlashGear