If you want a refund for SuperGrok, first make sure Apple actually billed you....

https://technivorz.com/supergrok-refund-request-what-should-i-screenshot-or-save/

If you want a refund for SuperGrok, first make sure Apple actually billed you. Check your iOS Subscriptions to confirm it’s on there. Simply canceling the subscription won’t give you a refund. To request one, go to reportaproblem.apple