If Apple charged you for a SuperGrok subscription, visit...

https://wiki-wire.win/index.php/Where_Do_I_Go_to_Refund_a_SuperGrok_Subscription_on_iPhone%3F

If Apple charged you for a SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Simply canceling the subscription in iOS Settings under Subscriptions won’t refund your payment