What is REDNote, the Chinese app TikTok users are moving to?

Over seven lakh TikTok users have reportedly joined Chinese app REDNote ahead of a potential ban on TikTok in the US. Known as 'Xiaohongshu' in China, REDNote is a lifestyle app where users document their lives and post recommendations about topics like fashion, travel and food. REDNote allows users to call each other and purchase products.