Question 1

Do I need to register?

Accepted Answer

No — you can join as a guest in one click. Registering (free) lets you keep your nickname, build a profile and join groups.

Question 2

Do I need to install an app?

Accepted Answer

No. Yudum Chat runs entirely in your browser on phone, tablet or desktop — just open the web chat and pick a nickname.

Vietnam Chat Rooms - Free Online Chat with Vietnamese Friends | TestNET