I am talking about an android or ios application which is a medium of communication in between the online. WhatsApp is the app which is a social media and today it is a very popular application all around the world. In every smart phone this is a need to communicate the people. We can chat with friends, family members, colleagues and many other to share texts, videos, contacts, photos and also documents. We can also share mood of the day as put on the status in whatsApp.