The app was to be banned on Saturday but the new 75-day extension effectively pushes the cut-off date further.
Mr Trump had promised to move fast to save TikTok from the law passed overwhelmingly by Congress and signed by then-President Joe Biden last year.
“We’re back, but at what cost?” one user mused on the platform.
TikTok users are now flooding Xiaohongshu, also known as the Red Note app, ahead of the TikTok ban expected to commence on January 19.
The move highlights the case’s importance, as it involves balancing free speech rights with national security concerns.
The court’s decision means the Chinese company would take the case to the Supreme Court.
The court rejected ByteDance’s arguments that its global market value mainly came from China.
The regulator did not provide any further details of the alleged violations in the statement.
The U.S. government expressed worry that TikTok raised national security concerns because China could obtain American personal information via the app.
Apple said it was obliged to obey laws in the countries where we operate, even when it disagreed.
