The app was approved by Apple and is now available for iPhone and iPad users. You can download here: https://itunes.apple.com/us/app/uniden-siren/id966444086?mt=8 or search for "Uniden Siren" in the app store on your iPad/iPhone.
Discussions here: Uniden Forums - The RadioReference.com Forums
Discussions here: Uniden Forums - The RadioReference.com Forums