We make Misu, so it’s first on this list. Every other tool is described from its own website, help pages and store listings, checked in October 2026.
Which part of Migaku do you need?
| Tool | Looks words up in videos | Turns them into flashcards | Plans reviews | Free |
|---|---|---|---|---|
| Misu | Pages, YouTube and Netflix, with Misu for Chrome | Yes, with the sentence | FSRS-6 | The app; the extension needs Plus |
| Language Reactor | Netflix and YouTube | Saved words, mostly with Pro | Its practice mode | Subtitles and dictionary |
| Yomitan, asbplayer and Anki | Netflix and YouTube | Yes, with audio and a screenshot | Anki’s | Yes |
| LingQ | As imported lessons | Yes | Yes | 20 saved words |
| Lingopie | Its own catalogue of shows | Yes | Yes | No |
| Readlang | Pages and texts | Yes | Yes | Single words |
The six tools
Misu
Made by usSave words in context wherever you watch and read. Hold Shift over a word on any page or in YouTube and Netflix subtitles, see what it means, and save it with its sentence in one click. Misu knows which words you know, so it shows what’s new to you and how much of a page or video you’ll understand.
Best forMining words from shows and articles, with the most common words already covered by a course.
- Platforms
- iPhone, Android, Chrome
- Scheduler
- FSRS-6, fitted to you every month
- Free
- The app is free to start; Misu for Chrome needs Misu Plus
- Languages
- 10 courses; your own flashcards in any language
Good at
- Words saved with their sentence from Netflix, YouTube and any page
- Knows your words: shows what’s new and how much you’ll understand
- Saved words become beautiful flashcards with pictures and audio
- Reviews tuned to your memory every month
Falls short on
- Misu for Chrome needs Misu Plus
- The extension is for Chrome
Language Reactor
A Chrome extension that adds two sets of subtitles, a popup dictionary and playback controls to Netflix and YouTube, plus a web app for texts and your own videos.
Best forWatching Netflix and YouTube with subtitles in both languages.
- Platforms
- Chrome on a computer, plus a web app
- Free
- Dual subtitles and the dictionary
- Saving words
- Everywhere with Pro; free only in its practice mode
- Users
- 2,000,000 on the Chrome Web Store
Good at
- Dual subtitles on Netflix and YouTube
- Free for watching
- Exports saved words to Anki, with Pro
Falls short on
- Saving words everywhere needs Pro
- Computer only, no phone app
Yomitan, asbplayer and Anki
Free, open-source tools that together do what Migaku does: Yomitan is a popup dictionary for your browser, asbplayer mines sentences from Netflix and YouTube subtitles, and Anki reviews the flashcards they make.
Best forLearners who want Migaku’s workflow for free and don’t mind setting it up.
- Free
- Yes, all three
- Platforms
- Chrome, Firefox, Edge; Anki on computers and phones
- Scheduler
- Anki’s: SM-2, or FSRS
- Languages
- Yomitan supports 34, some more fully than others
Good at
- Free and open source
- Flashcards with the sentence, audio and a screenshot
- Control over every part of the flashcard
Falls short on
- Takes real setup: dictionaries, AnkiConnect and note types
- Anki must be open on your computer while you mine
- Three tools to keep working together
LingQ
Imports captions from Netflix and YouTube, articles and podcasts as lessons, and you read and listen inside LingQ, tapping the words you don’t know.
Best forReading and listening practice, with the words you know tracked for you.
- Platforms
- Web, iPhone, Android, browser extensions
- Free
- 20 saved words in total
- Languages
- 53
- Scheduler
- Its own, for saved words
Good at
- Turns almost anything into a lesson
- Tracks the words you know
- 53 languages
Falls short on
- You study in LingQ, not over the video
- The free plan saves only 20 words
Lingopie
A streaming service of shows in the language you’re learning, with subtitles you can click; the words you click become flashcards.
Best forLearners who want shows picked for them, ready to study.
- Platforms
- Web, iPhone, Android, TV apps
- Free
- No: paid, with a trial
- Languages
- 15
- Your shows
- Its own catalogue; an extension adds some streaming services
Good at
- Shows chosen for learners
- Click any word in the subtitles
- Watch on your TV
Falls short on
- Mostly its own shows, not yours
- Paid only
Readlang
A click-to-translate reader for web pages and texts; the words you translate become flashcards.
Best forReading articles and books on a computer.
- Platforms
- Web, Chrome extension
- Free
- Unlimited single words; phrases and AI are limited
- Languages
- 100+
- Scheduler
- Inspired by SM-2
Good at
- Free for single words
- Works on any page
- More than 100 languages
Falls short on
- Phrases and AI explanations are limited without Premium
- An older scheduler than FSRS
Which one should you pick?
Want Migaku’s mining for free, and happy to tinker? Set up Yomitan, asbplayer and Anki. Just want subtitles in both languages while you watch? Language Reactor does that for free. Prefer to read? LingQ or Readlang. And if you want one-click mining, a course for your first 1,500 words and FSRS, that’s Misu: the app is free to start, and Misu for Chrome comes with Misu Plus.