If you want a refund for SuperGrok, first make sure Apple actually billed...
https://wiki-square.win/index.php/How_do_I_handle_a_SuperGrok_refund_if_I_subscribed_through_Apple%E2%80%99s_payment_system%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