How to get a refund for iTunes or App Store purchases

[iMore.com]

If you experience a problem with music, movies, TV shows, books, or apps you purchase from iTunes or the App Store you can request a refund directly from Apple. You'll need to have a valid reason for the request—it's not meant to be a way to get free trials or short term use—and it can take some time to process, but it is there to help make sure you get what you pay for and don't end up paying for anything you didn't want.

Full story from the iMore Blog...