Whatsapp is the most international free chat app with over 350 million users (monthly active users representing more than half of this figure). This application was the first messaging application on Quarter 1 of year 2013. Half the countries of Europe like Germany, Spain, Switzerland, Italy, and Chile, and Israel are using Whatsapp before any other chat applications.
We know now why Google didn’t purchase Whatsapp: the firm of Moutain View released a standalone application of Google Hangouts a few weeks ago.
WeChat gathers about 350 million users mainly in China and a few million mostly in Malaysia, India, and the Philippines. Growth is strong thanks to fast adoption among users and heavy marketing efforts with the use of image of stars and TV commercials.
Facebook Messenger is used in many countries among them the United States and Argentina.
Skype mobile app is very successful in Bulgaria, and Russia. This is quite surprising that American users don’t use so much this Microsoft service as Russian users do.
Viber app has the lead in Egypt, Greece, Ireland.
Line with about 160 million is spreading in a few countries of Asia: Japan, the Home country, Indonesia, Thailand, and Taiwan.
Nimbuzz is successful mainly in India, Kakao Talk in the Home country of South Korea but also Indonesia.