The app has been switched off in America after US lawmakers ruled it was a national security risk because of owner ByteDance's ties to the Chinese government - ties it denies.
Incoming President Trump has indicated though that he is opposed to the ban and will find a way to reverse it.
If the US ban goes ahead, experts point to the previous ousting of Chinese and Russian tech companies on national security grounds as a potential blueprint for how the TikTok ban might spread around the world.
