WhatsApp is the very basic chat application everyone needs in their Smartphones.
This app is very light and has a very clean and user-friendly interface. It is very easy to chat, send and receive files be it audio, video or text. The best thing I like about WhatsApp Messenger is that it works smoothly even when your internet connection is slow like even if you have a 2G connection and you want to chat with our friends without delay in messaging then WhatsApp is the right choice.
This application hangs very less and also takes up less space in phone compared to other chat/messaging applications. It is also a savior when none other messaging applications work and hang a lot, WhatsApp makes the way. It also recently added more encryption features which makes and keeps your conversation with friends, family and loved ones private and secured from unauthorized access.