Chinese Version of TikTok ‘Douyin’ Limits Kids Under 14 to 40 Minutes Per Day According to a report by the South China Morning Post , ByteDance’s Douyin short-video app has started limiting kids under 14 to 40 minutes of use per day. The Chinese version of TikTok is also restricting usage for kids from 6am to 10pm. Douyin has become one of China’s most popular apps, with more than 600 million daily active users in the country. To enforce its new usage policy for kids and comply with Beijing’s ongoing crackdown on “internet addiction,” ByteDance is requiring users to authenticate...