Google环聊和Google Duo之间的区别

1. Google环聊：
Google Hangouts是Google提供的一种通讯应用程序。它允许用户发送和接收消息，照片等。它还提供个人之间或组内的免费视频通话。它最初是Google+的功能，但Google将Google+ Messenger和Google Talk的功能集成到了环聊中。它由Google在2013年推出。它使用户可以与朋友和家人建立联系并开始对话。可以通过Gmail在线访问此应用程序。

2. Google Duo：
Google Duo是一个视频通话移动应用程序，可用于Android和iOS操作系统。也可以通过个人计算机上的Chrome网络浏览器使用它。它使用户能够获得高质量的视频通话服务。它以这样的方式开发，即使id用户的互联网服务缓慢，它也可以正常工作。有实现高安全性的端到端加密。它还可以进行群组视频通话。之前的小组人数为8，但后来扩大到了12。小组由Google LLC推出。它于2016年推出。

Google环聊和Google Duo之间的区别：

GOOGLE HANGOUTS	GOOGLE DUO
It is a communication application that is used to send and receive messages, photos etc.	It is a video chat application that provides video calling services.
It was launched in 2013.	It was launched in 2016.
It offers messaging, voice calls and video calls.	It offers voice calls and video calls.
It offers text messaging.	It recently added service for recorded messaging but does not offer text messaging.
It is mainly used for text messaging and photo sharing.	It is mainly used for making video calls.
It is original feature of Google+.	It is original feature of Google.
It does not allow users the blocking of unwanted calls.	It allows users the blocking of unwanted calls.
It has less number of users.	It has comparatively more number of users.
It does not provide full control of call making.	It gives full control of the call making through the phone devices.
Only 2 people can be involved in calls.	Up to 12 people can be involved in calls.
It is integration of Google+ Messenger and Google Talks.	It is not integration of two or more applications.