How to get my refund back

Were you notified that you would receive a refund or are you asking how to get a refund?

See the Apple Support article(s) below.

How long refunds from the App Store or other Apple services take.  

Normally, all sales are considered final, but you can ask for a refund.

If you have received a confirmation email, click the Report a problem link at the bottom.

Purchases problem.