Use tools. The most important point is that high school students don't use mobile phones as frequently as college students, and the school prohibits carrying mobile phones, and parents' control is also strict. For WeChat, which is mainly mobile, most high school students are not so bold, while qg has much more functions, and computers and mobile phones are right. You really can't use mobile phone qgQ, but there are also PC terminals.

Function. There is no need to explain this, someone has already listed a lot. The functional difference comes from Tencent's product positioning. After all, it is meaningless to be a second qg. Therefore, many clues can be found in positioning, such as: qg is powerful, and WeChat function is not so simple; Qq is targeted at multiple age groups, and WeChat is targeted at more mature age groups.