Social Pro Daily 1.3 Billion People Are Now Using Facebook Messenger Every Month The app reached 1.2 billion monthly users in April Messenger's user total continues to grow Facebook By David Cohen September 14, 2017 Facebook Messenger surpassed another milestone Thursday, topping 1.3 billion monthly users. David Cohen david.cohen@adweek.com David Cohen is editor of Adweek's Social Pro Daily. Recommended articles