To get a refund for your SuperGrok subscription billed by Apple, visit...

https://front-wiki.win/index.php/I_Requested_a_Refund_%E2%80%93_Will_I_Lose_Access_to_SuperGrok_Immediately%3F

To get a refund for your SuperGrok subscription billed by Apple, visit reportaproblem.apple.com and sign in. Navigate to iOS Subscriptions to find SuperGrok, then request a refund