If you make purchases on different iOS devices, you can set your iPhone or iPad to automatically download Music, Apps, and/or Books that were purchased from a different device. (Requires iOS 4.3.3 or iOS 5 beta)
1. Tap the Settings app on your iPhone or iPad.
2. Select Store from the first column.
3. Under Automatic Downloads, use the ON/OFF switches to set up the download of newly purchased Music, Apps, and/or Books from other devices.
4. Close Settings.
