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LingQ vs Language Reactor: catalog facts
LingQ	Language Reactor
Freemium Free sign-up, with paid plans listed on the pricing page.	Freemium Free to use, with additional features in a paid tier.
Web, Browser extension	Browser extension
Learning from real books, podcasts and shows Tracks vocabulary as you read	Dual subtitles on Netflix and YouTube Uses real native material instead of textbook content
Requires an account Full use depends on a paid plan	Depends on third-party streaming sites that can change their players Proprietary
Web application, Browser extension	Browser extension
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	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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