If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to...

https://wiki-spirit.win/index.php/How_Long_Does_Apple_Take_to_Respond_to_a_Refund_Request%3F

If Apple billed your SuperGrok subscription, visit reportaproblem.apple.com to request a refund. Go to your iOS Settings, tap your name, then Subscriptions to check or cancel. Remember, canceling stops future charges but doesn’t refund past payments