If you want a refund for SuperGrok, first double-check if Apple actually billed...

https://wiki-planet.win/index.php/SuperGrok_Refund:_Should_I_Contact_Apple_Support_or_Use_the_Website%3F

If you want a refund for SuperGrok, first double-check if Apple actually billed you—look under your iOS Subscriptions or purchase history. Remember, canceling the subscription won’t get your money back automatically