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

https://instaquoteapp.com/what-details-does-apple-support-ask-for-on-a-subscription-refund/

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