2. Viber

The next one on this list of best video calling apps is Viber. In the beginning, this app was distinct application that was considered a great app for making phone call for FREE! But since it gets more and more popular, the brand has developped the phone to a full-fledged messaging service that include voice message and video call! This application is available for free in Google Play Store but if you wanna make calls to non-Viber users, you have to buy Viber Out credits. This application also supports social media and cross-platform!

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