At first, it was owned by the creators of the app, Brian Acton & Jan Koum but in 2014 it became a Facebook Subsidiary. features are added to the app to improve the user experience.
WhatsApp has over $2 billion users. WhatsApp helped Facebook grow in developing markets where internet connectivity is lacking and where WhatsApp is widely used to communicate.
WhatsApp currently makes money through two sources: WhatsApp for Business and WhatsApp Pay. also generate indirect revenue from 'Click to WhatsApp ads'