Technologie :
Smartphones
WhatsApp Messenger App

The application WhatsApp is a free voice calls and instant messaging to a billion people worldwide.

WhatsApp has become the most popular instant messaging app, connecting more than a billion people worldwide. These people can share instant messages and multimedia files for free, and more interestingly, can talk for free unlimited.

The app works on nearly all smartphone models and is also available for computers. It works on Wi-Fi, 3G, and 4G networks.

No need to register. WhatsApp application uses someone's mobile number to identify this person.

WhatsApp allows free phone calls, free SMS and MMS to any other WhatsApp users .

Another feature of WhatsApp is group chatting , where a group of people can share text messages. Other features include the ability to have message emoticons, and to use other languages.

The WhatsApp service allows free phone calls, and free SMS and MMS messages to and from any other WhatsApp users, locally and worldwide.

So, if you want to save money on messaging, get your buddies to download and use WhatsApp too. WhatsApp has prevailed over Skype and other VoIP apps to become the most popular worldwide.

Using your Wi-Fi gets you everything free, but if you need real mobility, then you need a data plan.

WhatsApp works on many smartphone models including the iPhone, Android models ( LG, Nexus, Samsung, Nokia, Motorola,... ), BlackBerry phones, Windows Phone and even Nokia phones.

On February 19, 2014, Facebook announced it was acquiring WhatsApp for US$19 billion, its largest acquisition to date.

WhatsApp video calling facility can be availed on any of the devices despite their operating system , and it is free, whereas Apple's FaceTime is only supported on iOS devices and its use will be chargeable if you are not under a Wi-Fi .