If Apple billed you for your SuperGrok subscription, you can request a refund...
https://aged-wiki.win/index.php/What_is_the_Fastest_Way_to_Confirm_Who_Billed_My_SuperGrok_Subscription%3F
If Apple billed you for your SuperGrok subscription, you can request a refund by visiting reportaproblem.apple.com. Go to the iOS Subscriptions section, find SuperGrok, and select the refund option