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

https://johnnysimpressiveop-eds.trexgame.net/supergrok-subscription-shows-active-even-after-i-canceled-what-should-i-check

If you want a refund for SuperGrok, first make sure Apple actually billed you by checking your payment info and iOS Subscriptions. Remember, canceling the subscription doesn’t give you a refund automatically. To request money back, go to reportaproblem