Google Duo is a simple, fast one-to-one video calling app. As Allo, Duo works based on your phone number and automatically finds your friends on Allo using your phone book. The app will be available for both Android and iOS. As per Google, the service works great irrespective of the internet connection speed.
Google unveiled yet another messaging app called Allo, which is a smart app that makes your conversations smart, easier, more productive and more expressive. Thanks to Google Assistant which is powering this smart App. The app also features Incognito mode which lets you chat privately and expiring messages as well.