Perhaps it'll opt for a yearly subscription fee, like WhatsApp. Viber is completely free, though you can bet the purple-tinted company is cooking up some way of depriving you of your pocket change. Both services are available across all major mobile operating systems, including iOS, Android and Windows Phone, and both work in the UK. The addition of a desktop service gives Viber an edge over WhatsApp, a similar service that's only available on phones. If you'd like a sneak peek of what the app looks like - and if your day is missing some patronising jingly music - then enjoy the promotional video below. Group conversations are supported too, and once you start a call, you can transfer it to another device.

You can also use the software to make voice or video calls. Handy if you want to keep texting friends during the day. If you already use the Viber app on your smart phone, you'll be able to sign into the desktop client - which is available for PC and Mac - and keep talking to your pals.Ĭonversations are synced across devices, so you could also start a conversation on your computer and then see all those messages on your mobile. Messaging app Viber has added a desktop app to its software roster that'll let customers continue their phone chit-chat on their computers.

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