The app had more than 170 million monthly users in the U.S. The black-out is the result of a law forcing the service offline unless it sheds its ties to ByteDance, its China-based parent company.

One week after hearing arguments from TikTok, ByteDance and the U.S. government, the Supreme Court has decided to uphold the law that will ban TikTok on Sunday, Jan. 19, if its parent company, ByteDance,

TikTok is set to be banned in the US on 19 January after the Supreme Court denied a last ditch legal bid from its Chinese owner, ByteDance. It found the law banning the social media platform did not violate the first amendment rights of TikTok and its 170 million users, as the companies argued.