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

https://dominicksinsightfulop-ed.huicopper.com/should-i-use-safari-or-chrome-to-request-a-supergrok-refund

If you want a refund for SuperGrok, first make sure Apple actually charged you by checking your purchase history or iOS Subscriptions. Remember, simply canceling doesn’t give you a refund. To request one, go to reportaproblem.apple