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

https://future-wiki.win/index.php/SuperGrok_vs_X_Premium_%E2%80%93_Are_They_the_Same_Subscription%3F

If you want a refund for SuperGrok, first make sure Apple actually billed you by checking your purchase history or iOS Subscriptions. Remember, simply canceling the subscription won’t get your money back. To request a refund, go to reportaproblem.apple