To get a refund for SuperGrok billed through Apple, visit...

https://garrettsbestblogs.theglensecret.com/how-do-i-avoid-getting-charged-again-while-waiting-for-an-apple-refund-decision

To get a refund for SuperGrok billed through Apple, visit reportaproblem.apple.com and log in. Navigate to your iOS Subscriptions and select the SuperGrok purchase