Whatsapp is like king for mobile chatting.
There are many mobile applications are available in market but still peoples are stay connected with whatsapp because it is easy, reliable and off course free for a year. I am using whatsapp from last 3 years and still very happy with this application.
Whatsapp is very easy to use application and it has some very good features like unlimited free chatting, calling image sharing, video sharing and location sharing option available in this app which is very easy to use and this application is very reliable than others. I love using whatsapp and for sure I will use this in future.