How to transfer purchases from iPhone into iTunes library While trying to sync my phone and update new information this came up.


  There are purchased items on the iPhone “iPhone” that have not been transferred to your iTunes library.  You should transfer these items to your iTunes library before updating this iPhone.  Are you sure you want to continue?


How do I do this?
You can do this in the iTunes menu at the top of the screen: File :: Devices :: Transfer purchases

As simple as that.