15 Most Popular Instant Messaging Apps

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7. Skype

Total number of active monthly users in 2020 (in millions of people): 300

Skype was the first globally popular and accessible free video calling service which was established by Microsoft and has more than 300 million on a monthly basis. However, the hype behind Skype has decreased now that you can video call through Instagram, Facebook and WhatsApp, and newcomers like Zoom have also taken away market share.

Skype 6.0 Login Screen

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