WhatsApp is the web application run with help of internet .it is for different android phones Java phones and iPhone also that is based on IOS system.This application to get connect people without any cost or payment .it’s doors is higher than other app it contains all the features of different application .like it have audio calling video calling off can be send etc.it also provide their new updated version with some new features there is no need to search your friend .your friends who are using this app u just get their no.in your application. Contact list just directly message to them and get connected.so just download application and get connected