If Apple charged you for a SuperGrok subscription, you can request a refund by...
https://fun-wiki.win/index.php/Can_Apple_Support_Help_If_I_Have_the_Receipt_Date_but_No_Invoice_Number%3F
If Apple charged you for a SuperGrok subscription, you can request a refund by visiting reportaproblem.apple.com. Just sign in, select iOS Subscriptions, find SuperGrok, and choose the refund option