Viber vs WeChat


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Viber
Viber is a mobile app that provides free international calls and text messages to other Viber users using 3G or Wi-Fi. Uses your existing contact list - check out which of your phone contacts and friends is already on Viber so that you can call and text them for free.
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WeChat
WeChat is a free messaging & calling app that allows you to easily connect with family & friends across countries. It's the all-in-one communications app for free