Haina Xiang, its head of marketing for China and Southeast Asia, said the number of active users in Vietnam grew by 67 percent a month in the year since Jan. 2021.
Vietnam "has far outpaced other markets in a short time," she said, adding that the number of active users in the country in 2022 has doubled year-on-year.
Around 6 percent of Duolingo’s 40 million monthly active users have signed up for it to download lessons and skip ads.
The American company reported revenues of $250 million last year, up 55 percent from 2020, and said gross profits nearly tripled to $60 million.
According to Duolingo’s statistics, English and Chinese are the most popular courses on its platform in Vietnam.
Users spend an average of 17.6 minutes a day on the app, usually at 9-10 p.m.