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Viber makes money via fees generated from its business account, subscription fees for international calls (Viber Out), as well as ads shown within the app. On the other hand, if you are looking for a more mobile- and family-friendly solution, Viber’s fun features and end-to-end encryption make it a better option. If you’re looking for a chatting-focused app with video and business features, then your best choice is Skype. “When you install the Viber App and register on the Site, you will be asked to provide us with your phone number and to allow us access to your mobile device’s address book (collectively, “Personal Information”). WhatsApp is another easy – and popular – way to make free international calls.
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Skype is one of the easiest ways to make free international calls. Viber plans to make it so you can chat too in a future update. The problem here is that you can't participate in the chats yourself - you can only watch. It has a few celebrities and companies (such as Disney) you can follow to see what people are talking about. Viber lets you listen in on public chats with various themes such as Song of the Day or Disney Theme Parks so you can follow topics that interest you. I found that the video quality suffers somewhat with a poor connection, so Wi-Fi is the more ideal way to make video calls. Video calls are also free so long as both parties have Viber, and will work on a 3G connection or better. This means if you have a friend in London and you're in the United States, you can quickly figure out how much credit you will need for the amount of time you want to talk. What's nice about this feature is that it tells you how much it will cost to call various countries before you spend anything. The app lets you add money to your Viber Out credit with a tiered pricing plan. If you want to call landlines or people who don't have Viber, you have the option to buy what it calls Viber Out.
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