Viber

http://www.viber.com/

Viber

With Viber, everyone in the world can connect for free. You can make high-quality calls, send messages with pictures and videos worldwide via WiFi or 3G.

you can create free group messages with up to 200 participants. Viber can be used to make calls to mobile and landline numbers that are not Viber with a low rate. This app is available for many smartphones and platforms. In Viber, your phone number is your identification. The application syncs with your mobile contact list to automatically detect which of your contacts have Viber.

Our advice:

You can download it for Android or IOS.