Viber rated best app for call quality in Brazil

Brazilian consumers association Proteste has published a study that analysed the quality of free mobile communications applications for Android and iOS operating systems. Among the apps evaluated, WhatsApp consumed the least data for calls on 3G and 4G, as well as Wi-Fi networks.


Hangout (iOS) took the most time for the call to be initiated (more than five seconds), while Google Duo (Android and iOS), WhatsApp (iOS), Messenger (iOS) and Facetime (iOS) were the best evaluated, with less than three seconds. Viber (Android) stood out for the quality of the call.
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