For those of you using Viber on an iOS device, you’ll be happy to hear that the free message and calling app is being updated to version 5.8 which brings support for 3D Touch, Split and Slide views on iPad.
Also new is the ability to view all photos shared in a single conversation and the ability to see which friends have read or liked your messages in a group chat. The app’s search function has also been updated to yield better results.
Viber is a free messaging and calling app that allows users from all over the world to share images, videos and audio clips with each other for absolutely no charge. The VoIP service launched in December 2010 and is available cross-platform on various mobile software and PC OSes including Linux, Windows and MAC OS.
That's the big advantage os iOS because they're just easy to update....awesome!!!