How to get AppSync for iOS 7

Step 1: Launch Cydia and go to the Manage tab and then touch on to Sources.

Step 2: Now tap Edit and then Add. In the dialog that appears enter:

http://cydia.iphonecake.com

Step 4: Once Cydia reloads its packages, go to the Search tab and search for AppSync Patched iOS7.X.

Step 5: You should find a package as seen below. Follow the usual steps to install by touching onto Installin the top right corner and then confirm.