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Duolingo vs Lingvist: catalog facts
Duolingo	Lingvist
Freemium Free courses, with paid subscriptions including Duolingo Max and a one-week free trial.	Freemium Free to try, with a subscription covering all courses.
Android, iOS, Web	Android, Web
Short lessons that fit into a few minutes a day Habit-building features such as streaks and reminders	Adaptive placement and review of vocabulary More than 50 courses in one subscription
AI features of Max require a paid subscription Game-like format is lighter than a structured course	Focused on vocabulary rather than full grammar courses Full access requires a subscription
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	Not stated if it 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.