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LingQ vs Du Chinese: catalog facts
LingQ	Du Chinese
Freemium Free sign-up, with paid plans listed on the pricing page.	Freemium Free to try, with paid plans for full access to the library.
Web, Browser extension	Android, iOS, Web
Learning from real books, podcasts and shows Tracks vocabulary as you read	Large library graded by level Instant word lookup and grammar notes
Requires an account Full use depends on a paid plan	Full library requires a paid plan Focused on reading and listening rather than speaking or writing
Web application, Browser extension	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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 October 2, 2026

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