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

https://blogfreely.net/samuel-wang09/h1-b-i-used-a-different-email-for-apple-id-could-that-hide-my-supergrok

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