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

https://domgodwinson38.gumroad.com/p/how-do-i-check-my-supergrok-charge-amount-in-apple-purchase-history

If you want a refund for SuperGrok, first double-check who actually billed you—sometimes it’s Apple, other times it might be a third party. Look at your iOS Subscriptions to confirm the purchase