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Duolingo vs Pimsleur: catalog facts
Duolingo	Pimsleur
Freemium Free courses, with paid subscriptions including Duolingo Max and a one-week free trial.	Paid Paid subscription with a 7-day free trial and a free sample lesson.
Android, iOS, Web	Android, iOS, Web
Short lessons that fit into a few minutes a day Habit-building features such as streaks and reminders	Listening-based lessons that work hands-free, including in the car 51 languages in one subscription for up to four users
AI features of Max require a paid subscription Game-like format is lighter than a structured course	Subscription required after the trial Not all features are available for English as a Second Language courses
Downloadable app, Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.