How to Apply for a Refund for iTunes Purchases

In App purchases are made with iTunes.  Refunds may be available by completing the e-mail form available at the iTunes support service. Depending on your country, the e-mail form must be filled within a certain time from receiving the receipt of the In-App Purchase.

The form can be found here: https://getsupport.apple.com/

• Click on "Music" > "iTunes Store"
• "Subscription & Purchases" and select the relevant option