Duolingo is the most popular language-learning platform , with more than 500 million users. Duolingo is designed to feel like a game and scientifically proven to be effective. In addition to its core platform, the company created the Duolingo English Test, an affordable and convenient language certification option that is accepted by thousands of institutions.
Duolingo’s courses cover reading, writing, listening, and speaking skills, and they are designed to suit different proficiency levels, from beginners to more advanced learners in all age group. It provides interactive language lessons in various languages, including Spanish, French, German and English.