Duolingo Expands Free Tier to Include Advanced Language Courses

DUOL
April 22, 2026

Duolingo announced that its free tier will now include advanced language learning content for nine languages—English, Spanish, French, German, Italian, Portuguese, Japanese, Korean, and Chinese—reaching the B2 level of the Common European Framework of Reference for Languages. The new content removes translations and introduces complex scenarios and specialized vocabulary, offering users a more rigorous learning experience without a subscription.

The expansion is part of Duolingo’s AI‑first strategy, which has accelerated content creation and broadened its subject offerings beyond languages. CEO Luis von Ahn said, "AI advancements are a pivotal moment and we are deliberately prioritizing user growth and teaching better in 2026." The move is designed to broaden the app’s appeal to job seekers and travelers who need higher proficiency, while also driving user growth and engagement. By providing advanced lessons for free, Duolingo aims to increase daily active users and potentially convert a larger share of them to paid plans, as the company’s recent earnings highlighted a deceleration in DAU growth.

Duolingo’s shift to a user‑growth‑first model is a deliberate sacrifice of short‑term monetization. The company’s guidance for 2026 projects a 20% year‑over‑year DAU growth, down from 30% in Q4 2025, and management has warned that margin pressure will be felt in the first half of the year. "When there's a shift this big, the worst thing you can do is wait," von Ahn added. "I believe that this year, we're going to have the best tutor app for math," he said, underscoring the broader AI‑driven learning ambitions.

The free advanced content gives Duolingo a competitive edge over rivals such as Babbel and Busuu, which charge for similar levels of instruction. Head of learning science Bozena Pajak noted, "What we've built is an expert‑designed curriculum that supports learners from their first word through advanced language content relevant to getting a job, attending university, or navigating life in a new country, and it's free." The announcement has prompted investor concern about the company’s guidance and margin outlook, but analysts point to Duolingo’s strong gross profit margin of 72% and high engagement metrics as evidence of underlying business strength.

The market reaction has been tempered by valuation concerns and the company’s guidance for lower growth in the near term. Investors are focusing on the potential margin compression from increased AI investments and the impact of the free advanced content on subscription conversion rates, while also recognizing the long‑term benefits of a larger, more engaged user base.

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