In the wake of the recent widespread BBM service outages across the world, you can try kik. Blackberry outages that have plagued Blackberry devices for three days in Europe, the Middle East and Africa—and is spread to the U.S. and Canada.
Already available on major mobile operating systems Kik Messenger is the totally free, crazy-fast cross-platform messenger app that connects you to your friends in real-time. Use Kik to chat, share pictures privately, plan outings with groups, and stay connected to the people who matter most to you.
You see when messages are delivered and read and even when your friend is typing, giving your chats a face-to-face feel. Kik works on iPhone, Android, Windows Phone 7, and BlackBerry.
While millions are unable to connect to one another using the BBM service, you will be able to use Kik WiFi is available.