The Spotify iPhone has hit the number one spot in the Apple Apps stores. It may be noted here that just two days ago Apple had placed the Spotify Music app in its stores.

But, a trivial flaw in the Spotify is that user can't play music when the application is in the background.

Consumer is asked to enter his Spotify user name as well as password. After entering user name and password Premium members are allowed to use the service. Premium-subscribers gets access to more than 6 million tracks.

The Spotify app lets its customers to cache their Spotify playlists, and "celestial jukebox" music library.