I want a refund for an app i did not mean to buy

You can ask for a refund using these instructions:--> Request a refund for apps or content that you bought from Apple - Apple Support

Apple will judge if your request is eligible for a refund.

Regards

Giulio

Please start here ➔ Refunds, Subscriptions & Billing Questions

Axel F.

Try to send them a neat email I bought an iPhone 12 and out of nowhere my credit card was put inside without my knowledge