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

https://kilo-wiki.win/index.php/SuperGrok_Refund_Request_%E2%80%93_What_Should_I_Screenshot_or_Save%3F

If you want a refund for SuperGrok, first make sure Apple actually billed you—it might show up in iOS Subscriptions. Remember, canceling the subscription stops future charges but doesn’t refund past payments. To request a refund, visit reportaproblem