Digital Learning & Assessment Software · B2C Consumer App / Platform
Duolingo
Freemium language-learning platform with subscriptions, ads, and testing revenue.
Available information varies by company and source.
Profile record updated:
Company facts
- Official name
- Duolingo, Inc.
- Entity type
- COMPANY
- Founded
- 2011
- Headquarters
- United States
- Company size
- 501–1,000
- Market cluster / sector
- Digital Learning & Assessment Software
- Market role
- B2C Consumer App / Platform
- Ticker
- DUOL
- Official website
- duolingo.com
What Duolingo does
Duolingo operates a freemium digital learning model. It acquires users through a free mobile and web product, uses gamification and personalisation to drive repeat engagement, and converts a portion of that audience into paying subscribers for enhanced features and ad-free usage. It also monetises through advertising shown to free users, per-test fees from its English certification product, and bulk licensing sold to organisations for employee learning. Free school tools help widen distribution and reinforce the broader ecosystem.
Category differentiation
Duolingo is a consumer education and assessment platform, not an adtech, gaming, or marketing automation vendor despite some imperfect taxonomy mappings in the product extracts. It competes with language-learning and digital education platforms rather than media or martech infrastructure providers.
Strategic context
AI-supported assessment from the existing company research; distinguish interpretation from sourced facts.
Duolingo is a US-listed consumer education platform best known for its mobile and web language-learning app. Its core product uses short, gamified lessons to attract a large free user base, then monetises that audience through recurring subscriptions, in-app advertising, and adjacent paid products such as the Duolingo English Test. The company also extends beyond the core app through premium tiers including Super Duolingo and Duolingo Max, a business offering for employee language training, free tools for schools, and complementary podcast and literacy products. Its customers are primarily individual learners, with secondary audiences including families, schools, employers, and test takers needing English certification. Commercially, the business is driven mainly by subscription revenue, supported by advertising from free users and transactional testing fees. The platform’s value creation depends on user engagement, habit formation, broad course availability, and upselling from free usage into higher-value paid tiers.
Company news briefing
Briefing updated:
Duolingo reported strong second-quarter 2026 operational expansion, with Daily Active Users rising 23% year-over-year to 58.7 million and paid subscribers growing 17% to 12.7 million alongside $44.4 million in quarterly share buybacks. The company continues to integrate internal artificial intelligence benchmarks and maintain transparent compensation frameworks as highlighted in recent HR and tech sector assessments. To drive user acquisition and engagement, Duolingo expanded its marketing footprint via a global crossover campaign with Supercell's Brawl Stars.
Business model & monetisation
Duolingo combines freemium consumer distribution with multiple revenue streams. The main mechanism is recurring subscription revenue from Super Duolingo and Duolingo Max. Free users are monetised through in-app advertising, including interstitial and rewarded video formats. The Duolingo English Test adds transactional per-use revenue, while Duolingo for Business generates volume-based licensing revenue through bulk subscription sales to employers. This creates a mixed model of subscription, ad-supported, and transactional monetisation.
- Premium subscriptions
- Recurring consumer subscription for Super Duolingo and Duolingo Max
- In-app advertising
- Ad-supported monetisation of free users via interstitial and rewarded video
- English proficiency testing
- Per-test transactional fees
- Business licences
- Bulk annual subscription licensing for employers
- Other in-app purchases
- Consumer purchases within app ecosystems
Products & capabilities
No products with linked sources are available in this view.
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Competitors & alternatives
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Subscription language-learning platform for consumers and workplace training.
Language-learning app with subscriptions, AI practice and native-speaker video.
Adaptive K–12 learning software for schools, educators and families.
AI language tutoring app with consumer and enterprise subscriptions.
Consumer education platform for study help, writing and learning tools.
Side-by-side comparisons
Recent recorded signals
Dates refer to the source publication. Older entries are historical context, not evidence of a new event.
AI-Generated Interfaces Require Contextual Emotional Design
Design · Recorded impact score: 1/5
The article argues that as AI tools increasingly generate interfaces from design systems and established patterns, designers must decide not only how interfaces look, but how they should make users feel in different contexts. A success animation, for example, may be appropriate for a significant milestone but annoying during routine tasks. The author cites examples from Duolingo, Mailchimp, Google's Material 3 Expressive research, and Asana to illustrate how expressive design must be balanced with usability, restraint, and user control. With AI's ability to reproduce patterns at scale, the risk of spreading emotionally inappropriate or intrusive design decisions increases. Designers are urged to specify not just the visual output but the circumstances and user state that warrant different levels of celebration or restraint, and to consider accessibility and user preference.
- Article published on uxdesign.cc on 2026-11-04.
- Cites Google's Material 3 Expressive research showing a larger Send button improved usability.
10-Q Financial Filing Analysis for Duolingo (2026-11-04)
financials · Recorded impact score: 3.8/5
Duolingo, Inc. reported its third-quarter financial results for the period ended September 30, 2026, delivering total revenue of $309.0 million, up 14% year-over-year from $271.7 million, primarily driven by an 18% growth in subscription revenue to $270.0 million. Net income came in at $27.2 million ($0.54 diluted EPS), down from $292.2 million in Q3 2025, which had included a one-time non-cash deferred tax asset valuation allowance release of $222.7 million. Operating income declined 31% to $24.2 million due to elevated investments in research and development and higher personnel costs, including a DAU-growth-tied incentive bonus. Key engagement metrics remained strong, with Daily Active Users (DAUs) expanding 29% to 64.9 million and paid subscribers rising 14% to 13.1 million. Duolingo maintained robust liquidity with $1.37 billion in cash, cash equivalents, and short-term investments, and generated $75.3 million in free cash flow while repurchasing $6.4 million in common stock.
- Q3 2026 revenues reached $309.01M (+14% YoY), supported by subscription bookings of $278.37M (+16% YoY) and 13.1M paid subscribers (+14% YoY).
- Operating income fell 31% YoY to $24.20M, driven by a 30% rise in R&D expenses to $107.75M due to headcount growth, software/AI costs, and an $8.9M DAU-linked bonus charge.
Duolingo Faces Class Action Over Monetization and AI Content
Legal · Recorded impact score: 1/5
A securities fraud class action lawsuit has been filed against Duolingo, Inc. (NASDAQ: DUOL) on behalf of investors who purchased Class A common stock between May 2, 2025, and February 26, 2026. The suit, pending in the U.S. District Court for the Western District of Pennsylvania (City of Dearborn Heights Act 345 Police & Fire Retirement System v. Duolingo, Inc., No. 26-cv-02199), alleges that Duolingo made misleading statements by failing to disclose that its aggressive monetization—including increased ad volume, subscription upselling, and rapid production of lower-quality AI-generated content—was harming the free user experience, slowing DAU growth, and devaluing its product. The stock dropped significantly following quarterly reports in late 2025 and early 2026, revealing declining DAU growth rates. Investors have until December 7, 2026, to seek lead plaintiff status; ClaimsFiler and Kahn Swick & Foti (KSF) remind shareholders of this deadline.
- Securities fraud class action lawsuit filed against Duolingo, Inc. (NASDAQ: DUOL) for purchasers of Class A common stock.
- Class period: May 2, 2025 through February 26, 2026.
Zapier CEO Grades PMs on AI Fluency Rubric
AI · Recorded impact score: 4/5
Zapier has released version 2 of its AI Fluency Rubric, which evaluates employees on mindset, strategy, building, and accountability. CEO Wade Foster explains the rubric's evolution and grading criteria in a podcast episode. The article details the history of AI fluency, from GPT-4's launch to internal memos at Microsoft, Meta, and Duolingo. It provides examples of 'Capable', 'Adoptive', and 'Transformative' ratings, emphasizing that the floor has moved and what was transformative in 2024 is now just adoptive in 2026. Foster also shares his personal 'robot staff' automations and stresses the importance of labeling AI-generated work and maintaining accountability.
- Zapier published version 2 of its AI Fluency Rubric on March 31, 2026.
- The rubric evaluates employees on mindset, strategy, building, and accountability.
Groq Founder: Poor Leadership Cost Company Years
Leadership · Recorded impact score: 1/5
Jonathan Ross, founder of AI chip maker Groq, admitted in a podcast that his management failures initially cost the company three to four years. A former Google engineer, Ross founded Groq in 2016 to develop Language Processing Units (LPUs) as alternatives to Nvidia GPUs. He acknowledged being 'a terrible leader' at the start, citing mistakes in hiring employees who were not self-sufficient and giving them too much responsibility, leading to stagnation. He learned to focus on people management and became more selective in hiring. In December 2025, Nvidia signed a $20 billion licensing and talent deal with Groq, after which Ross and other key engineers moved to Nvidia, where Ross now serves as chief architect for software. Groq continues as an independent company led by Adam Winter. Similar leadership challenges were shared by Figma CEO Dylan Field and Duolingo CEO Luis von Ahn.
- Jonathan Ross founded Groq in 2016 to develop AI inference chips (LPUs) as alternatives to Nvidia GPUs.
- Ross admitted that his poor leadership set back Groq by three to four years.
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Questions about Duolingo
What is Duolingo?
Duolingo is a digital language-learning platform offering free and premium lessons, AI-enhanced practice, and an English certification product.
Who uses Duolingo?
It is used mainly by individual learners, plus families, schools, employers, and people needing English proficiency certification.
How does Duolingo make money?
It makes money through recurring subscriptions, advertising shown to free users, per-test certification fees, and bulk business licences.
Sources & coverage
This profile uses public, official and technically observable information. Missing information does not prove that a product or relationship does not exist. The list below does not imply that every profile statement has been verified.
15 publicly documented primary sources and citations linked across the market graph.
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