In the days leading up to a proposed US government ban on the social media platform TikTok, American users have turned to another Chinese-owned app, Xiaohongshu.

It holds the top position among the most downloaded social networks in the Apple stores in the United States. Shuang is hooked on an app that many of its followers believe ironically adopted the name of a popular red-covered book full of doctrinal quotes from the founding father of communist China.

As the potential ban on TikTok, a cultural sensation, approaches, here’s what you need to know about Xiaohongshu and other apps that social media users are considering.