(adsbygoogle = window.adsbygoogle || []).push({}); Requires: Jailbroken device
Add the source: appaddict.org/repo
Next install app sync ios 5/6
proceed to You must login or register to view this content. and follow the instructions there it should be pretty simple
Also the source You must login or register to view this content. works too.
Another package is: IPASTORE