Viber Vs WhatsApp: The battle of the messaging apps Viber and WhatsApp stand out above most messaging apps on Windows Phone 8, helping tens of millions of people around the world stay in touch. Viber has an attractive, simple design throughout the app However, if you’re torn between the two, or wondering which app has the most to offer, let our all-out head to head be your guiding light. What makes each stand out with Nokia fans? Viber lands the first punch, offering support for VoIP (Voice over Internet Protocol) calls. Because VoIP calls use a data connection, and you can use your regular Wi-Fi network, you can make completely free calls to other Viber users, wherever they are in the world. Simply tap one of your contacts – as you would using the People Hub on your Nokia Lumia – and you’ll be taken to their profile page, letting you make a call, send an instant message, email, or call/text their mobil