Whatsapp is a great app in this app we have to enter our mobile no. So we are safe from any fake person we all are using this app for messanging , calling and to make a group of our classmate , freinds and for other purpose I think this is the only application which grow up fastly in all over world this is an amazing application we can use a whatsapp account for payment also. This app used by all people which have a smartphone. If u like then rate it.
