If Apple charged you for your SuperGrok subscription and you want a refund,...

https://mighty-wiki.win/index.php/I_can%27t_find_the_SuperGrok_invoice_number,_where_is_it%3F

If Apple charged you for your SuperGrok subscription and you want a refund, visit reportaproblem.apple.com and sign in. Navigate to iOS Subscriptions, find SuperGrok, and request a refund