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

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

If you want a refund for SuperGrok, first double-check who actually billed you—sometimes charges come from Apple or a third party. Look in your iOS Subscriptions to confirm. Remember, canceling the subscription doesn’t get your money back