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

https://lukaszaph075.almoheet-travel.com/how-do-i-cancel-a-supergrok-subscription-billed-on-grok-com

If you want a refund for SuperGrok, first make sure Apple actually billed you by checking your purchase history or iOS Subscriptions. Remember, canceling the app doesn’t automatically mean you’ll get your money back