Duolingo’s shares experienced a significant increase of nearly 7% on Thursday, driven by a surge in users signing up to learn Mandarin. This growth aligns with the increasing usage of the Chinese social media app RedNote (Xiaohongshu),

RedNote is a foreign-owned app, and experts warn that it could be attacked by the same law that is now banning TikTok.

"First of all, the Chinese are so nice, they're so sweet and so welcoming. They've over here teaching us Mandarin."

Duolingo has seen a surge in U.S. Mandarin learners as TikTok users explore Chinese social app RedNote amid a looming ban.

Despite the massive popularity of RedNote in the United States and the different corners of the globe, a majority of its users are still mainly speaking Chinese, and this language barrier has Duolingo racking up its numbers.

Can RedNote sustain its rapid rise to success with US users? Even with a TikTok ban and Duolingo boost, it faces plenty of headwinds.

The company confirmed to CNBC that there's been a 216% increase in Mandarin learners using the app compared to a year earlier. For context, Spanish, one of the most popular languages on the app, has seen a 40% increase over the same period, Duolingo said.

Whatever US politicians were hoping for, what they got was a huge increase in users signing up to Duolingo to learn Chinese and American users flooding Chinese apps.

As "TikTok refugees" flood to Chinese site RedNote, language learning app Duolingo has reported an over 200% spike in people learning Mandarin.

Creators and users are searching for new platforms like Instagram Reels, YouTube Shorts, and other alternatives.

TikTok’s ban is seen as a crisis in America, but its impermanence has become more ubiquitous in several countries over the past few weeks — specifically in China. A surprising twist is the sparking camaraderie between both countries,