Download the AT40 iPhone App from the iTunes App Store and get the AT40 Weekend Chart in the palm of your hand! Send a song request, email the show or listen to interviews with all of your favorite artists on the go and on demand. Plus, 24/7 access to the exclusive American Top 40 iheartradio stream.  It's your favorite show, with you where ever you go.

The American Top 40 app is optimized for users of iOS 4.2 and above. It is best experienced on iPhone 3GS, iPhone 4 and the latest generation of iPod Touch devices.