If you want a refund for SuperGrok, first double-check who charged your...

https://bizzmarkblog.com/how-do-i-request-an-apple-refund-for-supergrok/

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