https://www.theguardian.com/technology/2020/sep/18/tiktok-ban-us-downloads-wechat-latest

Government to ban WeChat on Sunday to ‘safeguard national security of the US’, while TikTok to be banned by 12 November

The US government will ban downloads of the Chinese-owned video sharing app TikTok and the use of China’s popular messaging and payments app WeChat to “safeguard the national security of the United States”.