Migaku vs Language Reactor
Language Reactor adds dual subtitles and lookup to YouTube and Netflix. Migaku turns sentences from video into flashcards with audio and images. This page compares the two, then shows where Practy is a better fit.
Last reviewed: August 2026
Migaku vs Language Reactor: which is better?
One helps you understand as you watch; the other turns what you watch into flashcards.
Choose Migaku if
You want to mine sentences from shows into flashcards with audio and images, in Migaku's review system or exported to Anki.
Choose Language Reactor if
You want a basic dual-subtitle reader on YouTube and Netflix, with click-to-look-up and light flashcards.
Choose Practy if
You want one-click word saving from video and reading, turned into typing drills, listening dictation, and conjugation practice — with no cards to build.
Migaku vs Language Reactor: feature comparison
Each row is one decision you make when you pick between these two tools.
| Dimension |  Migaku |  Language Reactor |  Practy |
|---|---|---|---|
| Best for | Learners who want a sentence-mining flashcard workflow, in Migaku or exported to Anki. | Learners who want a basic dual-subtitle reader on YouTube and Netflix. | Learners who want words from video and reading to become active practice with no card building. |
| Where it works | YouTube, Netflix, Disney+, Rakuten Viki, and Animelon, plus dictionary lookup on web pages. | YouTube and Netflix only. | YouTube, Netflix, HBO Max, and Disney+, plus inline reading on any web page. |
| How you use it | Mine sentences from video into flashcards with audio and images. | Read dual subtitles in place and click words to look them up. | Save words with one click from video and any web page. No mining and no card building. |
| Word review | Spaced-repetition flashcards in Migaku, with Anki export. No typing dictation or conjugation drills. | A flashcard panel and PhrasePump, a listening drill that replays clips. | Typing-based vocabulary drills and listening dictation, with spaced repetition built in. |
| Conjugation drills | No conjugation practice. | No conjugation practice. | Verbs you save flow into conjugation drills for seven languages. |
| Apps and devices | Browser extension plus Migaku's mobile app. | Chrome extension only. | Chrome extension plus web and iOS apps. Your progress follows your account. |
| Cost | $15 per month, $144 per year ($12 per month), or $499 once for lifetime. No standalone free tier. | Free tier excludes machine translation and caps word saving. Pro is $6 per month. | Free tier covers every exercise type with caps on saved words and verbs. Plus is $7.99 per month or $69.99 per year ($5.83 per month). |
Best for
Migaku Learners who want a sentence-mining flashcard workflow, in Migaku or exported to Anki.
Language Reactor Learners who want a basic dual-subtitle reader on YouTube and Netflix.
Practy Learners who want words from video and reading to become active practice with no card building.
Where it works
Migaku YouTube, Netflix, Disney+, Rakuten Viki, and Animelon, plus dictionary lookup on web pages.
Language Reactor YouTube and Netflix only.
Practy YouTube, Netflix, HBO Max, and Disney+, plus inline reading on any web page.
How you use it
Migaku Mine sentences from video into flashcards with audio and images.
Language Reactor Read dual subtitles in place and click words to look them up.
Practy Save words with one click from video and any web page. No mining and no card building.
Word review
Migaku Spaced-repetition flashcards in Migaku, with Anki export. No typing dictation or conjugation drills.
Language Reactor A flashcard panel and PhrasePump, a listening drill that replays clips.
Practy Typing-based vocabulary drills and listening dictation, with spaced repetition built in.
Conjugation drills
Migaku No conjugation practice.
Language Reactor No conjugation practice.
Practy Verbs you save flow into conjugation drills for seven languages.
Apps and devices
Migaku Browser extension plus Migaku's mobile app.
Language Reactor Chrome extension only.
Practy Chrome extension plus web and iOS apps. Your progress follows your account.
Cost
Migaku $15 per month, $144 per year ($12 per month), or $499 once for lifetime. No standalone free tier.
Language Reactor Free tier excludes machine translation and caps word saving. Pro is $6 per month.
Practy Free tier covers every exercise type with caps on saved words and verbs. Plus is $7.99 per month or $69.99 per year ($5.83 per month).
Where Practy fits in
Migaku asks you to build flashcards; Language Reactor stops at the subtitle. Practy turns a saved word straight into practice.
No card building
Save a word with one click and it is ready to practice. No sentence mining.
Video and reading together
Words from streaming and from any web page feed the same practice loop.
Active recall built in
Type what you hear and what words mean, with spaced repetition scheduled for you.
Verbs become conjugation practice
Verbs you save flow into conjugation drills across seven languages.
Free to start
Every exercise type is free, with a paid tier that only removes caps.
Frequently asked questions
Common questions about Migaku, Language Reactor, and how Practy compares.
Is Migaku better than Language Reactor?
Migaku is better if you want to mine sentences into flashcards with audio and images. Language Reactor is better if you want a basic dual-subtitle reader on YouTube and Netflix.
Is Migaku or Language Reactor cheaper?
Language Reactor Pro is $6 per month and has a free tier. Migaku is $15 per month, $144 per year, or $499 for lifetime, with no free tier. Practy Plus is $7.99 per month.
Do Migaku or Language Reactor practice conjugations?
No. Neither has conjugation drills. Practy turns verbs you save into conjugation practice across seven languages.
What is a good alternative to Migaku and Language Reactor?
Practy is a good alternative if you want one-click saving from video and reading turned into drills and conjugation practice, with no cards to build.
In summary
Migaku builds flashcards and Language Reactor reads subtitles. Practy turns a saved word into practice you keep up with on the web and iOS.
Try the Practy extension