WhatsApp SMS Service.
WhatsApp messenger - SMS service is good for Smartphone users regardless of what brand they are using or where they are living now. It can be an iPhone, Android, BlackBerry, Nokia or Windows Phone. All you need to have internet connection to send and receive SMS text messages through this messenger for free.
The internet connection can be through your data plan or through Wi-Fi set up.
Once you had downloaded this messenger App you can send and receive unlimited images, video and audio media messages.
In addition to basic messaging Whatsapp users can create groups, send each other unlimited images, video and audio media messages.
Normally the WhatsApp for iPhone will expire after one year time period although it can be renewed for free after the expiration.
But the WhatsApp App for Android, BlackBerry, Nokia and Windows Phone too will expire after one year. At that time you can get the App again for 0.99 cents.
Some users say that they used to contact the WhatsApp and get some extension periods to use this service.
Official web site:Here.
Download WhatsApp App for your Smartphone