If you want a refund for SuperGrok, start by confirming whether Apple or...

https://magic-wiki.win/index.php/How_Do_I_Use_Reportaproblem.apple.com_for_a_Subscription_Refund%3F

If you want a refund for SuperGrok, start by confirming whether Apple or another company billed you—check your purchase history or iOS Subscriptions in Settings. Remember, canceling the subscription doesn’t give you a refund automatically