It’s a simple 1-to-1 video calling app that focused on giving users an easy to use way to video call their friends and families.
There is this “Knock Knock”feature on the app that let you see live video of your caller before you answer so you can have a sense of what they are up to and why they want to chat.
The Google Duo is very fast and reliable video calls and work seamlessly even with poor connection. It will adjust itself to the changing network conditions to keep you connected. It also switch between WiFi and Cellular data automatically without dropping your video call.