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

https://www.bookmarking-maze.win/if-you-were-charged-for-supergrok-and-want-a-refund-first-double-check-who

If you want a refund for SuperGrok, first make sure Apple actually billed you—not a third party. Check your iOS Subscriptions in Settings to confirm. Remember, canceling doesn’t automatically refund your payment. To request a refund, go to reportaproblem