Language Reactor pricing and features (2026)
Language Reactor has a free tier and one paid plan. Pro costs $6 per month and adds machine translation and unlimited word saving. It works on YouTube and Netflix as a Chrome extension.
Last reviewed: September 2026
Language Reactor plans and prices
Prices are in US dollars, from Language Reactor's public pricing.
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | Dual subtitles, click-to-look-up, and playback controls on YouTube and Netflix. No machine translation, and word saving is capped. |
| Pro | $6/month | Everything in Free, plus machine translation and no cap on saved words. |
What Language Reactor does
Language Reactor works on YouTube and Netflix only. It is a Chrome extension, with no mobile app.
Dual subtitles
Shows the original subtitle and a translation at the same time.
Click-to-look-up
Click a word in the subtitle to see what it means.
Playback controls
Controls made for study, so you can move through a video at your own speed.
Flashcards and PhrasePump
A flashcard panel for saved words, and PhrasePump, a listening drill that replays clips.
Pros
- The free tier covers dual subtitles and lookup.
- Pro costs $6 per month.
- Few steps to start: install it and open a video.
Cons
- Works on YouTube and Netflix only.
- No reading mode for general web pages.
- No conjugation practice.
- Chrome extension only, with no mobile app.
Language Reactor alternatives
If Language Reactor does not cover what you need, these tools do some things it does not.
Practy
Works on YouTube, Netflix, HBO Max, Disney+, and any web page. Saved words become typing drills, listening dictation, and conjugation practice. Free tier, or Plus at $7.99/month.
Add Practy to Chrome
Trancy
Works on more streaming sites, including Disney+, HBO Max, and Prime Video, and adds an AI speaking coach. Premium costs $3.49 to $8.79/month.
Migaku
Turns sentences from shows into flashcards with audio and images, in Migaku or Anki. $15/month, with no standalone free tier.
LingQ
A reader for imported articles, podcasts, ebooks, and videos, with web, iOS, and Android apps. Premium costs $14.99/month.
Frequently asked questions
Is Language Reactor free?
Yes, there is a free tier. It covers dual subtitles and lookup on YouTube and Netflix, but it excludes machine translation and caps word saving.
How much does Language Reactor Pro cost?
Language Reactor Pro costs $6 per month. It adds machine translation and removes the cap on saved words.
Which sites does Language Reactor work on?
YouTube and Netflix. It has no reading mode for general web pages and no mobile app.
Does Language Reactor have conjugation practice?
No. Practy turns verbs you save into conjugation drills for Spanish, French, English, Portuguese, Italian, Hebrew, and Arabic.
What is a good alternative to Language Reactor?
Trancy if you want more streaming sites and AI speaking practice. Migaku if you want sentence-mining flashcards. Practy if you want saved words to become drills, dictation, and conjugation practice on the web and iOS.