WhatsApp App is mostly used for instant messaging, through sending plain text, document audio and video sharing among user. Apart from normal messaging WhatsApp App can be used for location sharing and also group chat among peers or workmates.
WhatsApp is very popular to end user who may not have unlimited messaging to use. Whatsapp is usually a free messaging platform and hence an excellent suit for all users.
in the technical view of WhatsApp App, it utilizes an open standard of XMPP(extensible messaging and presence protocol) with a customized version
WhatsApp App was first developed by Jan Koum and Brian Acton in 2009 and has had a significant impact in the communication sector across the world.