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Viber is an application for iPhone that helps users make free international calls to other iPhone users who have this app installed. The official site of this app lists certain advantages of using Viber over other VoIP tools like Skype. Like, there are no hidden costs (except for data charges), no registration required, no buddy list to maintain, missed call notifications, ability to receive calls anytime without the need to connect to the internet, and many more such merits. The app is free to use and recommends iOS4 for best performance.

make voip calls over 3g

make free calls over wifi

As you can see in the above screenshots, the tool has a neat user interface. I didn’t get a chance to try it, but if it works, it’d be a pretty good deal for iPhone users, provided their service provider doesn’t charge exorbitant 3G rates.


  • iPhone app to make free calls
  • Calls can be made over 3G or Wi-Fi
  • No other charges except for data charges
  • Call anyone with a phone number (and who has Viber) for free

Check out Viber @


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