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

Many Americans are joining RedNote, also known as Xiaohongshu, as a potential TikTok ban looms in the US. As they hop from TikTok to RedNote, some of the so-called TikTok refugees are learning Mandarin to bridge the language divide on the Chinese app.

TikTok U.S. users have been learning Chinese on Duolingo in increasing numbers amid their adoption of a Chinese social app called RedNote ahead of the

Millions are joining RedNote ahead of the TikTok ban. But the app’s default language is Mandarin. “Oh so NOW you’re learning mandarin,” Duolingo tweeted on Monday.

As many Americans flock to RedNote ahead of a possible TikTok ban, Duolingo and Drops have seen an increase in US users learning Chinese.

All signs point to TikTok shutting down in the United States on Sunday due to the ban that's set to go into effect after the platform failed to find a new

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.

Yes, the language-learning app has been the big winner amid TikTok’s impending demise and it’s mostly due to spite. According to the app, Duolingo has seen a 216 percent growth in users learning Mandarin Chinese over the last year, which is tied to the growing popularity of RedNote.

"I almost, like, don't know how to define myself without TikTok," content creator Ayman Chaudhary sighed, reflecting the consternation of millions over US authorities' scheduled banning Sunday of the hugely popular app.

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

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