Whatsapp is one of the best app for messaging , chat and free call to frnd. various app like whatsapp is running in the world like wechat , viber , imo and so on but whatsaap is so ahead from this app in any field.it is free of cost and smoothly running. you can use it at slow data for chat but for free call to frnd you should have to good speed of internet. it is easy to install in device . you can use whatsapp on pc aur computer through bluestacks app.
