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

https://www.foxtrot-bookmarks.win/if-you-want-a-refund-for-supergrok-first-double-check-which-apple-id-or

If you want a refund for SuperGrok, first make sure Apple actually billed you for it by checking your purchase history or iOS Subscriptions. Remember, canceling the service doesn't give you a refund automatically. To request one, go to reportaproblem