You need to download Viber into your Mobile phone and register with your number before start using on your MAC or PC.

Viber connecting based on your phone number rather than user id. Viber allows to send Text, photo and sticker messages and offers full sync between your mobile and Mac. Viber syncs your contacts, messages and call history with your mobile device. Viber for Mac and PC lets you send free messages and make free calls to other Viber users, on any device and network.

Skype supports group chats with Windows desktop, Mac, and Xbox One platforms. Skype supports mobile platforms like iOS, Android, Blackberry etc. It supports up to 10 people group video chat at the same time for free of cost.

Skype from Microsoft supports voice, video and text chat between the PC and MAC platforms. Related: Top 6 Cross-platform Messaging apps for Windows, Mac, iOS, Android and more. that can be sent via the data connection of the mobile phone without relying on the traditional SMS/text, MMS services along with the recently introduced voice call feature. WhatsApp is used for sending texts, images, videos etc. Day by day the numbers of WhatsApp users are increasing and the most attractive thing to the users is that the developers are upgrading the app with nice additional features. WhatsApp is the fastest growing messaging service in the world with active users near to one billion. These apps we listed here are free and capable to chat between Mac and Windows for an unlimited time without any cost. Are you a MAC user searching for a good chat application to communicate with your friends? If you have a MAC computer and want to voice or video chat with PC computer users, there are couples of good apps for free of cost. These apps are good for sharing files between with PC and MAC, multiple video chats same time.

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