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

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

If you want a refund for SuperGrok, first double-check who charged you—sometimes purchases come through Apple or the developer. Look under your iOS Subscriptions to confirm. Remember, canceling the subscription doesn’t guarantee a refund