If you want a refund for SuperGrok, first make sure Apple actually billed...

https://yenkee-wiki.win/index.php/How_Do_I_Check_My_SuperGrok_Charge_Amount_in_Apple_Purchase_History%3F

If you want a refund for SuperGrok, first make sure Apple actually billed you—sometimes charges come from different accounts. Check your iOS Subscriptions to confirm