How can China Unicom send text messages for free like China Mobile?

You can send text messages or WeChat. But the premise is that the mobile phone you send the message to must have the same software. Although it is said that Fetion is planning to open it for China Unicom and China Telecom users, if you are used to Fetion, you might as well wait for a while. If you are anxious to experience it, you might as well use QQ WeChat!