Who to cancel any subscription and refund
By mistake I have subscribed to one of the application from the App Store how I can cancel the subscription and take my money back??
iPhone 7 Plus, iOS 14
Question marked as
To cancel, see instructions in See or cancel your subscriptions - Apple Support
To request a refund, see: Request a refund for apps or content that you bought from Apple - Apple Support
Also see the following from the second link above:
If you or a family member bought an item by mistake, set up Screen Time to prevent unintentional purchases in the future. You can require a password for purchases, prevent some types of purchases, or disable purchasing completely. Set up Screen Time.