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

Duolingo shares have jumped this week, as the number of Americans learning Mandarin on the app has soared 216%. That's as China's RedNote is now the most downloaded free app on Apple's App Store ahead of the TikTok ban.

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.

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

The TikTok ban in the U.S is currently on pause. But a story you may have heard claims the threat of the app going away has led to a massive spike in people learning mandarin on Duolingo.

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

The language-learning app Duolingo has seen a surprising trend emerge, the closer we get to the TikTok ban -- there's been a 216% spike in US users learning Mandarin compared to this time last year.

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.

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

In protest of the anti-Chinese banning of TikTok, hundreds of thousands of users have flocked to Rednote, a TikTok-like app available in both China and the US with a substantial Chinese user base.

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.

Language learning app Duolingo has seen an over 200% spike in U.S. users learning Mandarin "out of spite" as many flee to Chinese app RedNote amid the uncertainty surrounding TikTok's future.