The app has grown a staggering 50% since April.
WhatsApp has been around for a long time, but it wasn't until Facebook bought the app in 2014 for $19 million that it really took off. Just yesterday, the founder of WhatsApp, Jan Koum, said that the service has over 900 million monthly active users from all over the world.
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This is no small feat, because it means that the service added about 100 million users in just six months after it crossed the 800 million mark in April of this year. It has seen a 50% increase in just over a year, having gone from 600 million in August 2014.
If you really want to know what an achievement that is, Twitter has about 300 million monthly active users, the other messenger from Facebook, Facebook Messenger, has 700 million users, and no one else even comes close. Facebook, which has owned WhatsApp for a few months, has 1 billion active daily users. Instagram, who is also owned by Facebook since 2012, has about 300 million users.
Of course, we have to be up front about what a "monthly active user" actually is: someone who just opened the app for a few minutes each month and they would count. It doesn't mean that people keep using it. To really know about how often it is used, looking at the number of messages that the users send.
The app is still growing, allowing people from all over the world to message each other. It is unclear, at this time, what they will do to get money from the app, as they surely can make out better. Facebook CEO and founder Mark Zuckerberg said that it will take some time to get better and higher paying advertising. We saw a glimpse of this with the debut of Facebook’s new personal assistant in Messenger in August.
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Instagram has been bringing the company quite a bit of money, so Facebook is clearly capable of making money from their apps. According to Forbes, Emarketer predicts Instagram will bring in $595 million in ad revenue this year.