As TikTok heads to court on Monday to argue against a U.S. ban, parent company ByteDance’s newer social app, Lemon8, is once again surging to the top of the App Store in the U.S. The push is due, in part,

TikTok faced off with the U.S. government in federal court on Monday, arguing a law that could ban the platform in a few short months is unconstitutional while the Justice Department said it is needed to eliminate a national security risk posed by the popular social media company.

Justice Department lawyer Daniel Tenny pressed the U.S. government's stance that TikTok, under Chinese ownership, poses a national security threat because of its access to vast amounts of personal data on Americans, asserting that China can covertly manipulate information that Americans consume via the popular app.