>TikTok, whose mainland Chinese and Hong Kong[3] counterpart is Douyin,[a][4] is a short-form video hosting service (...)
>While TikTok and Douyin share a similar user interface, the platforms operate separately.[28][4][29] Douyin includes an in-video search feature that can search by people's faces for more videos of them, along with other features such as buying, booking hotels, and making geo-tagged reviews.[30]
>TikTok, whose mainland Chinese and Hong Kong[3] counterpart is Douyin,[a][4] is a short-form video hosting service (...)
>While TikTok and Douyin share a similar user interface, the platforms operate separately.[28][4][29] Douyin includes an in-video search feature that can search by people's faces for more videos of them, along with other features such as buying, booking hotels, and making geo-tagged reviews.[30]
https://en.wikipedia.org/wiki/TikTok
So I think even TikTok (app for non-China markets) isn't available in China.