WHAT’S APP is a godsend when you have friends flung across the various phone platforms – Android, iPhone, Blackberry and Nokia. It’s a free mobile messaging app for iPhone, BlackBerry, Android and Nokia. You can use it to send text, video, images, audio for free.
How come? Because WhatsApp Messenger uses the same internet data plan that you use for email and web browsing, there is no cost to message and stay in touch with your friends. It also works with Wifi. In addition to basic messaging iPhone, Android, Nokia and BlackBerry WhatsApp Messenger users can send each other unlimited images, video and audio media messages. Download it here.