If Apple billed your SuperGrok subscription by mistake, visit...

https://juliet-wiki.win/index.php/Why_Does_My_Browser_Hide_Buttons_on_Apple%27s_Refund_Page%3F

If Apple billed your SuperGrok subscription by mistake, visit reportaproblem.apple.com to request a refund. Open Settings on your iPhone, go to your Apple ID, then Subscriptions to manage or cancel it