As Supreme Court justices ponder the future of TikTok in the United States, a growing number of American social media users have responded by moving to an unlikely alternative: Xiaohongshu, a hugely popular social media app in China.

Chinese social apps Xiaohongshu and Lemon8 have soared to the top two spots on Apple's iPhone charts ahead of the U.S.'s impending TikTok ban.

With a TikTok ban set to go into effect in the U.S. on Sunday, social media users in the U.S. are migrating to Xiaohongshu, also known as ‘REDnote.’