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Duolingo, Inc. develops a language-learning website and mobile app in the United States and China. The company offers courses in 40 different languages, including Spanish, English, French, Japanese, German, Italian, Chinese, Portuguese, and others. It also provides a digital language proficiency assessment exam. The company was incorporated in 2011 and is headquartered in Pittsburgh, Pennsylvania.

Metric	Dec '27 (E)	Dec '26 (E)	Dec '25 (E)	Dec '24	Dec '23	Dec '22	Dec '21	Dec '20
Adjusted Revenue			1,030.5
Adjusted Gross Profit			—
Adjusted Gross Margin			—
Adjusted EBIT			128
Adjusted EBIT Margin			12.4%
Adjusted EBITDA			299.5
Adjusted EBITDA Margin			29.1%
Adjusted Net Income			411.6
Adjusted Net Income Margin			39.9%
Adjusted EPS			8.4
Adjusted Free Cash Flow (FCF)			382
Adjusted Free Cash Flow Margin			37.1%
Adjusted Capital Expenditures			-8.9