ClassDojo vs Duolingo
Side-by-side comparison of AI visibility scores, market position, and capabilities
Classroom communication and community app in 95% of U.S. schools. 45M+ teachers and families; $1.25B valuation; Series D Mar 2024; ClassDojo Payments launching late 2026.
About
ClassDojo is the leading K-12 classroom communication and community platform used in 95% of U.S. schools, connecting teachers, students, and families through shared portfolios, announcements, messaging, and behavior tracking. More than 45 million teachers and families use the platform. ClassDojo for Districts, expanded in July 2025, adds tools for district-level oversight, multi-school communication, SIS integrations, and automated attendance alerts. ClassDojo is expanding its monetization model with ClassDojo Payments — an embedded payments solution powered by Pay Theory — launching in late 2026 for field trips, fundraisers, and school fees. The company raised a Series D in March 2024, valuing the business at $1.25B as of mid-2022. ClassDojo also announced partnerships with major school districts and is integrating with district social media and communication channels.
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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