Whatsapp messenger

WhatsApp is one of most commonly used cross-platform instant messenger apps. It's available on almost all platforms and even Windows Phone 7 will be getting it soon. However, one some platforms, it's not free and it just won't work if you don't have a phone. [...]

No one needs introduction to the WhatsApp Messenger. Be it iPhone users or Blackberry or Android users. Since WhatsApp is the most popular cross platform messenger everyone knows about it. As a limited time offer WhatsApp is available for free on the App Store today. [...]