Have you heard of WhatsApp before? It’s a smartphone-to-smartphone messaging application, which was originally designed for the iPhone. It seems that the developers have decided to take it one step further by bringing their popular WhatsApp to BlackBerry. WhatsApp has been desigend to allow easy instant messaging between different types of smartphones such as iPhone to BlackBerry. WhatsApp has no monthly charge, just the one time download fee. The WhatApps Messenger is now available from BlackBerry App World for just under $3. For more details visit WhatsApp.com or BlackBerry App World.