Most popular global mobile messenger apps

Most popular global mobile messaging apps 2021

*Have not published updated users numbers in the past 12 months. All values are the last reported figures.
Telegram figures from company blog.


As of April 2021, two billion users were accessing WhatsApp messenger on a monthly basis. The app’s reach is usage penetration is particularly strong in markets outside of the United States and it is one of the most popular mobile social apps worldwide. In February 2014, social network Facebook acquired the mobile app for 19 billion U.S. dollars.

Instant messaging is a type of online chat which offers real-time text transmission via internet. Since the appearance of smartphones and the subsequent explosion of mobile apps, low-cost or free chat and social messaging apps have proven themselves as a cheap alternative to operator-based text messaging via SMS. Many messenger apps offer features such as group chats, the exchange of graphics, video and even audio messages as well as stickers or emoticons.


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