The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Zaah Technologies:
From the completely unqualified scientific research team that brought you the OCD Light Switch and OCD Door Lock comes OCD Doorbell!Our top scientists have found a brilliant way to escape the anxiety and panic that keeps you fixated on the Doorbell, away from the outside world and important daily tasks, poking, buzzing and dinging, over and over until it feels just right...Now you can just take the Doorbell with you!Poke it all day long with the OCD Doorbell!Features:* A Dinging Bell!* A Buzzing Bell! (Double the Bells of our competitors!)* OCD Severity Level Counter!* Secret Messages!* Twitter & Email!