There has been losts of communication app in android play store and iphone app store but whatsapp is one of the most successful app
Releasing of whatsapp it make people toh chat wherever they aur weather is one room to other aur any part of the world
At first there was only chats with one and other but by increasing popularity future updates give sharing of photo video location
Not only this it provides calling and voice recorder which provides help to user and they can communicate with their family and friends with joy and pleasure