WhatsApp is the only real BBM competitor that has been able to hold its own for such a long time and when cross platform support comes into play, it even leaves BBM behind. WhatsApp Inc. has updated the app and removed some quirks as well. So, what are you waiting for? GO ahead and grab the application now from the BlackBerry World store. You can also scan the QR code below to get to the app or click on the link below.
BlackBerry World Store : WhatsApp Messenger