Companies
Duolingo
EducationPittsburgh, PennsylvaniaDUOLMore than 900 employees
More about Duolingo
Mobile learning app offering gamified language courses, plus math, music and chess, and the Duolingo English Test
Revenue
$1.04B
2025, up 39%
Employees
More than 900
As of December 2025
Stock
DUOL
Nasdaq
Headquarters
Pittsburgh, Pennsylvania
CEO
Luis von Ahn
Since August 2011 (co-founder)
BrandsDuolingo, Duolingo English Test, Duolingo Max
Current strategyKeeping languages as the core while expanding into new subjects, with math and music courses and a recently launched chess course
CompetitorsBabbel, Rosetta Stone, Busuu
Checked October 11, 2026 · Sources: sec.gov, sec.gov (2)
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