Now a days many chatting app in the market.But whatsapp is unique for its concept, feature and realibilitys. Its design and interface is too good. And also easy to use , chatting with friend and groups chatting and sharing pics, files, videos and also make a voice & video calls. It's new feature of pdf file support is very good for sharing official data and files in fastest way. You can also share your personal awesome movements with your family & friends in just one click. Whatsapp upgrade himself day by day and it's new video calling feature is good but it's not better in weak networks like 2g. He have to need do Some work and upgradation is required for its video calling feature.O ver all Its a great app for chatting & sharing.
