Can I cancel a purchase

Click on a link to get the answer to your question:

Request a refund for an App Store or iTunes Store purchase - https://support.apple.com/HT204084

Report a Problem to request a refund - https://reportaproblem.apple.com/?s=6

If a reporting a problem request is unsuccessful you can also try:

Other ways to contact iTunes Support:

https://www.apple.com/emea/support/itunes/contact.html

or

https://support.apple.com/country-selector/itunes

Apple's terms of purchase for most countries are effectively, "All Transactions are final" (check terms at: http://www.apple.com/legal/internet-services/itunes/ ). Apple may refund on a case by case basis, but realize they can also say no.