WhatsApp is a trending application which is having a huge number of users. Whatsapp application include the features like video calling, voice calling, sharing of images, videos, limited document types. In recent updates developers have provided the new features such as Deleting the sent message within 7 minutes. And supports all type of documents to send( apk, rar etc) . What’s app secures our messages through end to end encryption algorithm which changes our messages to some other format which human can’t understand. Only the one who will have our barcode can see the messages. Unfortunately some developers are created the replicas of whatsapp application with some more extra features.