Talkray, an alternative to Whatsapp, WeChat, and many other messaging apps worldwide, claims they have had 12 million downloads, with more than one million being daily active, since its launch in the second half of 2012.

The app’s selling point is free quality voice calls under slow mobile Internet connection. Its users are in developing markets such as India, the Maldives, Jamaica, Tanzania, and Southeast Asia.

Though it is for free, the app has been making enough in-app ad revenue for the five-member startup, Zhong Nan, co-founder and CTO of Talkray told me.

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Tracey Xiang

Tracey Xiang is Beijing, China-based tech writer. Reach her at traceyxiang@gmail.com