Duo is a simple app that only one-to-one meetings can be held with people from the contact list. It is not possible to conduct group discussions with Duo.
The videocall app distinguishes itself from other apps using the ‘knock-knock’, where the caller’s video image is already displayed directly to the recipient before there is recorded. It also encrypts all transmitted data, so it is difficult to intercept hackers.
Google Duo presented earlier this year at its annual developer conference Google I / O. When the company also showed Allo chat app. However, that app will be launched later.
Duo is available for download in the App Store for iOS and Google Play for Android.
Hangouts
presented a few years ago Google already chat app Hangouts video calls that also could be held. The app could never really successfully compete including WhatsApp and iMessage.
Even after the launch of Duo continues Hangouts exist, though it is unclear whether Google here have any plans it after launching Duo and Allo .
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