Comparison

Migaku vs ReabDook

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Migaku

This app helps you learn languages by making content interactive. Click words in subtitles or text to get definitions, create flashcards, and personalize study sessions. It focuses on high-frequency words for efficient learning.

Highlights
  • Interactive subtitles for YouTube
  • One-click media-rich flashcard creation
  • Personalized study sessions
  • Data-driven courses for beginners
  • Word frequency-based vocabulary learning
  • AI sentence breakdown and explanations
Features
Read full description

Learning languages is actually pretty simple: if you consume content you enjoy, and you understand that content, you will make progress. Period. Migaku (and its Chrome browser extension) enables you to do that: 1. Our courses take you from zero to 80% comprehension in ~6 months (10 cards/day) 2. We make text interactive: click words in your phone's YouTube subtitles to see what they mean 3. We let you make media-rich flashcards out of those words with one click 4. We make personalized study sessions out of the flashcards you create 5. Repeat! Whether you're learning Japanese, Mandarin, Korean, Spanish, Italian, German, Cantonese, Portuguese, English, French or Vietnamese, Migaku equips you with the tools you need to make real progress. Migaku requires a paid subscription to access its courses, features, and AI tools. Migaku – AI Language Learning Tool ■ How languages are really learned: If you want to watch movies in other languages, then you need to learn languages with movies. If you want to read books in other languages, then you need to learn languages by reading. As you spend more time doing the things you enjoy doing in the language you're learning, you'll build the unique skills you need to more easily do those things. Unfortunately, it's difficult to read books and watch movies in another language as a beginner. And that's where Migaku comes in ■ Data-driven courses for beginners The problem with most apps and textbooks is that they teach you what someone else thinks language learners need to know, and those things may not reflect what you actually need to learn to do the things that are important to you. This matters because not all words are used equally often: while a college-educated native speaker knows ~30,000 words, you only need to know ~1,500 words to recognize 80% of the words in modern media. Our flashcard-based courses teach you these ~1,500 words—the ones that are useful to everyone, no matter their goals—plus a few hundred basic grammar points. What makes our courses special is that every "next" flashcard contains only one new word, making Migaku's learning curve super smooth. You're always learning something new, but never overwhelmed. It's a fluent language learning approach. Migaku courses are currently available for Japanese, Mandarin, and Korean. ■ Turn subtitles and text into interactive language learning opportunities Migaku makes texts interactive: just click on words to see what they mean. You can also hear audio recordings from native speakers, reference images of the term, check example sentences, get an AI explanation of what the word means in context, have AI break sentences down for you word-by-word, or see a translation of the sentence that your word appears in. Basically, Migaku lets you consume content in another language as if you knew as many words as a native speaker. Our mobile app supports YouTube, manually pasted content, and physical content like books or street signs. Our Chrome extension supports web pages and several popular streaming websites. ■ Create custom study cards or import language flashcards Find a useful looking word while consuming content? Turn it into a high-quality flashcard with one button, and Migaku's spaced repetition language practice algorithm will create personalized study sessions for you. You'll be nudged to review these flashcards periodically, ensuring you remember them. Decks designed for the Anki flashcard app can be converted for use with Migaku, too. ■ Study anywhere, even offline Migaku's courses and any flashcards you make are available offline and automatically sync between all of your devices. ■ Learn multiple languages at once A single Migaku subscription gives you access to all of Migaku's languages and lets you use all of Migaku's features and AI language learning tools as much as you want. - - - Immerse → enjoy → improve

About

ReabDook

Learn languages by reading classic books. Tap any word for instant translation, get AI-powered grammar explanations, and build vocabulary with smart flashcards and quizzes. Supports 31 languages and offers text-to-speech for pronunciation.

Highlights
  • Tap-to-Translate
  • AI Grammar Coach
  • 900+ Classic Books
  • Smart Quizzes
  • Text-to-Speech
  • Progress Tracking
Features
Read full description

ReabDook is the language learning app that teaches you through reading. Choose from 900+ classic books in 31 languages, tap any word for an instant translation, and build real fluency — naturally. HOW IT WORKS • Pick a book in your target language — from beginner stories to advanced literature • Read naturally. Tap any unknown word to see its translation instantly • Ask the AI Grammar Coach to explain sentence structure, tenses, and idioms • Save words to your personal vocabulary and review them with smart flashcards • Take personalized quizzes that adapt to what you've learned KEY FEATURES — Tap-to-Translate: Instant translations while you read, no switching apps — AI Grammar Coach: Detailed grammar explanations powered by AI, in context — 900+ Classic Books: Alice in Wonderland, Sherlock Holmes, Pride & Prejudice, and more — Smart Quizzes: Spaced repetition quizzes generated from your personal word list — Text-to-Speech: Hear proper pronunciation for any word or sentence — Progress Tracking: Monitor your streak, words learned, and quiz scores — 31 Languages supported SUBSCRIPTION OPTIONS • Weekly — $6.99/week • Monthly — $17.99/month (most popular) • Quarterly — $34.99/3 months (best value) All plans include unlimited translations, AI grammar explanations, quizzes, vocabulary tools, and text-to-speech. Cancel anytime. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews for the same price and duration unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Privacy Policy: https://reabdook.com/privacy Terms of Use (EULA): https://reabdook.com/terms

Screenshots

Migaku4 screens
ReabDook4 screens

Verdict

The call

The clearest difference is review sentiment: Migaku at 73% against ReabDook's 0%. Migaku also leads on rating (4.4 vs 3.0) and ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Migaku sells 13 in-app purchases, starting at $14.00 per month and ReabDook sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Migaku holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Migaku has 377 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Migaku's written reviews are positive against 0% of ReabDook's.

UpkeepUpdate frequency

Migaku ships an update weekly, ReabDook every 6 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

Scorecard4 real differences · 6 level
Migaku versus ReabDook: the parameters behind the verdict, then further details
ParameterMigakuReabDook
PriceFreeFree
Rating4.4 (377 ratings) — better3.0 (1 ratings)
Positive reviews73.0% of reviews — better0.0% of reviews
Number of ratings377 — better1
Update frequencyWeeklyEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size1.9 GB47 MB
Age rating17+4+
DeveloperMigaku Inc.Grappes LLC

Customer experience

Migaku

All ratings375 ratings
Positive84.3%
Neutral1.6%
Negative14.1%
Written reviews237 reviews
Positive73.0%
Neutral3.0%
Negative24.1%

ReabDook

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Migaku

Reported bugs

3 issues
  • Unable to create new accounts in the app
  • Broken kanji course with empty cards
  • Inconsistent behavior when switching between apps

Requested features

4 requests
  • Offline mode for learning on the go
  • Expanded support for more languages
  • Better integration with Anki and other SRS apps
  • More customization options for flashcards and reviews

ReabDook

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Migaku

Subscriptions8
  • Migaku Standard2 variants$14.001 Month
  • Migaku Standard7 Days trial$14.001 Month
  • Early Access2 variants$21.001 Month
Show 5 more
  • Early Access7 Days trial$21.001 Month
  • Migaku Standard$136.991 Year
  • Migaku Standard7 Days trial$136.991 Year
  • Early Access$179.991 Year
  • Early Access7 Days trial$179.991 Year
One-time5
  • Lifetime$214.99
  • Lifetime$289.00
  • Lifetime$344.99
Show 2 more
  • Lifetime$359.00
  • Lifetime$719.00
3 purchases

ReabDook

Subscriptions3
  • Weekly Premium$6.997 Days
  • Monthly Premium$17.991 Month
  • Quarterly Premium$34.993 Months

Questions

Is Migaku free?
Migaku is free to download, with in-app purchases available.
Is ReabDook free?
ReabDook is free to download, with in-app purchases available.
Which has better reviews, Migaku or ReabDook?
Migaku is rated higher. Migaku averages 4.4 out of 5 from 377 ratings, while ReabDook averages 3.0 from 1 ratings.
Do Migaku or ReabDook have ads?
ReabDook shows ads; Migaku does not.
Which is updated more often, Migaku or ReabDook?
Migaku ships an update weekly, and ReabDook every 6 days. Most recently, Migaku was updated on October 22, 2026 and ReabDook on October 19, 2026.

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