If Apple charged you for a SuperGrok subscription, go to...

https://blast-wiki.win/index.php/How_Do_I_Avoid_Getting_Charged_Again_While_Waiting_for_an_Apple_Refund_Decision%3F

If Apple charged you for a SuperGrok subscription, go to reportaproblem.apple.com to request a refund. You can also check or cancel your subscription via Settings > [your name] > Subscriptions on your iPhone