Send free messages and make free calls to other Viber users, on any device and network, in any country.
With audio and video calls and more features than most messaging services, Viber is the best option, but only if you can convince your friends to use it.
Whether you're more the practical type that just wants standard messaging features or someone who loves spicing up your conversations with something extra, this collection has the app for you.
Viber's intuitive interface makes it easy to navigate, letting you start a message or call quickly.
The feature is part of the Viber 5.0 release, which also includes a refreshed design on Android and a new photo-forwarding feature on iOS.
The Android version of the messaging app no longer sends images and videos without encryption protection, and an iOS fix has been submitted, the company says.
Researchers demonstrate that a widely used mobile chat app not only sends some kinds of data in the open, it also stores it publicly online.
The Japanese e-commerce giant says that the maker of popular voice and messaging apps "perfectly complements" its digital strategy.
Mozilla is working on a project that could let a few key Android apps like WhatsApp run on its fledgling mobile operating system, which could keep its prospects alive.
Curious about Wi-Fi calling and what it entails? CNET has the rundown on what you need to know.
Want to ditch the dialer on your phone for something a bit more intuitive? Check out Ready 2.0 to help you stay in touch easier and faster.