Stay close to your people.
Send a message, leave a voice note or start a call.
Free to use. An email code, not a phone number.
Features
Everything a conversation needs
Text, voice and video, all in one place.
Messages that feel instant
Text and photos arrive the moment they are sent, with delivery and read receipts.
Voice and video calls
Call anyone in your contacts without leaving the thread. Clear audio, sharp video, one tap.
Voice notes and reactions
Send a voice note when typing is too slow, and react to any message without interrupting the thread.
Privacy you control
Sign in with an email code, never a phone number. Connect by sharing your True Friend Code, and change it whenever you like.
Why 521Chat
Built to be relied on
Fast
Messages, receipts and calls move in real time, and the app stays light on slow connections.
Private
No phone number, and no public directory. People can only find you if you share your code, and you can change it at any time.
Reachable from China
521.chat is the address for visitors connecting from mainland China. Same app, same account.
Start a conversation.
Creating an account takes one email code. No phone number, no password.