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Language Reactor vs LingQ: catalog facts
Language Reactor	LingQ
Freemium Free to use, with additional features in a paid tier.	Freemium Free sign-up, with paid plans listed on the pricing page.
Browser extension	Web, Browser extension
Dual subtitles on Netflix and YouTube Uses real native material instead of textbook content	Learning from real books, podcasts and shows Tracks vocabulary as you read
Depends on third-party streaming sites that can change their players Proprietary	Requires an account Full use depends on a paid plan
Browser extension	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Needs internet	Not stated if it works offline
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.