Synchronization & Backup is an optional service to keep your playlists, My Library database and audiobooks listening progress in sync between multiple devices.
・ optional service for Synchronization & Backup to keep your listening progress, playlists, My Library database in sync between multiple devices.
Save space on your device as you no longer need to keep large audio files on your iPhone and sync with iTunes.
If you choose to purchase Synchronization & Backup, payment will be charged to your iTunes account.
Subscriptions may be managed and auto-renewal may be turned off at any time by going to the user’s Account Settings in the App Store after purchase.