I will discuss a few IM client by its protocol, platform, speed, security and privacy, especially in China, People’s Republic of.
Signal
The open-source end-to-end encrypted messenger was unfortunately blocked in China on Mar 21, 2021. I have used it for a period of time, and stopped when it’s blocked.
Session
I’ve just tried, no connection available, just like Tor, it hangs there forever.
DeltaChat
The app use email infrastructure as media in communication, however, few people in China use email now, many of Chinese only have qq mail like 1145141919@qq.com
, and it’s expensive to enable SMTP and IMAP service in qq mail, which is required to add it in DeltaChat.
Wire
Haven’t used though, I heard it’s blocked in China years ago.
WeChat
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