Cambly vs Duolingo
Side-by-side comparison of AI visibility scores, market position, and capabilities
On-demand English tutoring marketplace with 24/7 instant video sessions; connects non-native speakers with native English tutors across 190+ countries.
About
Cambly is an online English tutoring marketplace connecting learners globally with native English-speaking tutors for on-demand conversation practice. Founded in 2012 and headquartered in San Francisco, Cambly provides instant access to tutors via video chat without scheduling, allowing learners to practice English conversation at any hour. The platform's on-demand model — available around the clock because tutors are distributed across time zones — is its core differentiator for adult learners who need flexible scheduling around work and family obligations.
Pittsburgh gamified language learning (NASDAQ: DUOL, $17.7B market cap); Q3 2025 $400.2M revenue with 47.7M DAU +40% YoY and 2025 guidance raised to $1.68B; Chess course 1M+ DAU competing with Babbel for consumer language EdTech.
About
Duolingo is a Pittsburgh, Pennsylvania-based language learning platform — publicly traded on NASDAQ (NASDAQ: DUOL) at approximately $17.7 billion market capitalization as of mid-2025 — providing 130+ million monthly active users with gamified language and education courses in 42 languages plus mathematics, music, and chess. In Q3 2025, Duolingo reported $400.2 million in revenue (+9% year-over-year), 47.7 million daily active users (+40% YoY), and 10.9 million paid subscribers (+37% YoY), raising full-year 2025 guidance to $1.68-1.69 billion — versus $748 million in 2024 revenue. The Chess course launched in 2025 surpassed 1 million daily users. Duolingo Max and Super Duolingo premium subscriptions provide AI-powered features including GPT-4-powered conversational practice (Duolingo Max) with roleplay scenarios and AI explanations. Duolingo employs 800+ people with >90% annual employee retention. Founded 2011 by Carnegie Mellon professor Luis von Ahn and Severin Hacker; NASDAQ IPO July 2021 at $3.7 billion valuation.
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