It is a simple , fast one to one video calling app for everyone . It is a video chat mobile app developed by Google . It available on both Android and IOS operating systems .
It was announced at Google 's develiper conference in 2016 . It makes only video call unlike hangout , which can also used for sending text messages . It can make pretty fast video calls and has specialization in it . It is special designed mobile app .
It works over wifi as well as mobile data so anyone can make video calls have internet access . Its service is free to use as personal use . It's video call can be recorded by any kind of mobile screen recorder without any difficulty . It is easy to use , I can directly access from Google playstore . This app automatically switches between wifi and cellular mobile data . .
Do you know ? . If you resisteed on DUO . When you block someone on this app . They will no longer contact you on this app . You can easily block and you can easily unblock them . It expands beyond video calls.it is now the mandatory video calling app on Android device . It is based on phone numbers , allowing users to call someone from their contact list .
In this, one of best feature of this knock knock , which shows a live video of the caller before you pick up .
So. I hope it helps you.
Thank you .