How to see successful refund

If your request for a refund was accepted, you should have received an email message from Apple.

Then see this support article:--> Check the status of a refund for apps or content that you bought from Apple - Apple Support

Regards

Giulio

If Apple have agreed to a refund it will appear in the payment method used to make the original purchse, but it can t ake some days depending on the payment method used. Plerase see https://support.apple.com/HT210904