Over 40 million newly registered iOS/Android users in the last 60 days; more than a
dozen Android OEMs to preload BBM, including most recently LG; over 250,000 BBM Channels created by global user base since launch of BBM Channels on BlackBerry, including large brands such as Coke Indonesia and USA Today; BBM is the most secure mobile messaging service for use in regulated enterprises.
BlackBerry also announced numerous new features that coming to the app in 2014. You can check those out here.
You can download BBM from the App Store for free.