Description
A gamified language learning app launched in 2011 with over 500 million users worldwide. Users are guided through quiz-style lessons covering vocabulary, listening, and speaking exercises across 40 languages.
Market positioning
Market leader in consumer language learning apps by user base. Duolingo dominates the mobile language learning space through aggressive gamification, a zero-cost entry point, and broad language coverage, positioning itself as the go-to app for self-directed, habit-based language acquisition.
Target audience
Casual language learners of all ages looking for a free, fun, and flexible way to learn a new language on mobile or desktop.
Use cases
Self-paced language learning for beginners to intermediate learners. Users engage in daily bite-sized lessons covering vocabulary, grammar, listening, and speaking across 40+ languages. Ideal for hobby learners, travelers, students, and anyone seeking low-commitment language exposure.
Company information
Company size
~700 employees
Revenue
~$531 million (FY 2023)
Scale
Global — 500+ million registered users across 40+ languages
Number of users
500+ million registered users globally
Features
Pricing
Rating
No Trustpilot link available
Pros and cons
Based on: (AI summary)
Pros
- Extremely large user base (500M+ users)
- Simple and intuitive UI — easy to pick up
- Daily progress tracking and motivation features
- Wide language selection (40 languages)
- Gamified approach increases engagement
Cons
- Some vocabulary taught is unusual and not practical for real-life use
- Speaking lessons on mobile focus on repetition rather than independent conversation
- Translation-based approach — does not immerse users in the target language
- Limited depth for advanced learners
- Does not teach natural thinking in the target language
Feature Comparison
Top features across 20 competitors (most common first)
| Feature | Duolingo | Babbel | Rosetta Sto… | Pimsleur | Spoken | Speak | GoMigo | HelloTalk | Busuu | Goethe-Inst… | ChatGPT (Vo… | DW Learn Ge… | Coursera La… | Langua | Humboldt-In… | Mondly | Preply | Giglish | Talkpal | Open English |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AI conversational chatbot | ||||||||||||||||||||
| Language tutoring | ||||||||||||||||||||
| 40+ languages including German and constructed languages (conlangs); Mobile and desktop availability; Gamified quiz-style lessons (matching pairs | ||||||||||||||||||||
| drag-and-drop | ||||||||||||||||||||
| sentence translation); Heavy gamification with streaks | ||||||||||||||||||||
| leaderboards | ||||||||||||||||||||
| and rewards; AI-driven adaptive learning and personalized lesson pathways; Generative AI-powered personalized review loops; AI-powered chatbots for conversational practice; Speech recognition and pronunciation feedback; Listening and speaking exercises; Duolingo Stories for simulated real-life conversations; Thematic modules (travel | ||||||||||||||||||||
| greetings | ||||||||||||||||||||
| food | ||||||||||||||||||||
| family); Placement test for beginners and advanced learners; Personalized weak-word identification; Daily progress tracking | ||||||||||||||||||||
| goal setting | ||||||||||||||||||||
| and reminders; Peer competitions and social features; Year-in-review and shareable milestones; Free tier with full course access; Freemium model with optional Duolingo Plus/Super subscription; Mobile-first app experience; Self-paced learning; Vocabulary and grammar exercises | ||||||||||||||||||||
| 14 languages available including German; App and web platform; Babbel Live (live online classes with language professionals); Business language courses (e.g. | ||||||||||||||||||||
| Marketing English); Free trial (one lesson); Quiz-style lessons (10–15 minutes each); Structured progression with level guidance; Corporate training offerings; Personalized review sessions; Speech recognition; Structured conversational courses; Offline access; Gamification elements (daily streaks | ||||||||||||||||||||
| satisfying sounds); Lifetime access option for all languages; Structured grammar-based lessons (beginner to advanced); Grammar and vocabulary lessons; Real-life dialogue practice; Vocabulary training; Conversation-focused lessons; Mobile and web access | ||||||||||||||||||||
| 24 languages available; Available on any device; Beginner-focused vocabulary and everyday sentences; Consistent immersive method across all languages; German language course available; Immersive translation-free learning (no native language used); Lifetime membership option; Reading | ||||||||||||||||||||
| speaking | ||||||||||||||||||||
| and listening skills; Subscription with free trial; Visual immersive learning method; AI-driven adaptive learning; Corporate and institutional licensing; Live tutoring sessions (Rosetta Stone Foundations); Mobile and web-based platform; TruAccent speech recognition technology; Pronunciation coaching; Structured lesson plans; Vocabulary building through images and context; Corporate and education plans; Phrasebook | ||||||||||||||||||||
| 50+ languages available | ||||||||||||||||||||
| Audio-based lessons |