# Kotobask: Japanese Vocabulary — Master vocabulary fast

> Master vocabulary fast (iPhone/iPad app by Shoko Yoshioka.)

- Source: https://appshunter.io/ios/app/kotobask-japanese-vocabulary/id6791542409 (this page in markdown: same URL + `.md`)
- Developer: [Shoko Yoshioka](https://appshunter.io/developer/6791542411)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 111 MB
- Languages: American English
- Released: 2026-07-28
- Data updated: 2026-09-01
- User reviews in markdown: https://appshunter.io/ios/app/kotobask-japanese-vocabulary/id6791542409/reviews.md

## What is Kotobask?

Kotobask is a fast, focused vocabulary trainer for JLPT preparation and for anyone building a solid Japanese vocabulary base.

STUDY 1,700 ESSENTIAL WORDS
• Learn across 17 decks covering JLPT levels N5, N4, N3, N2, and N1
• Every word includes a reading, English meaning, example sentence, and audio
• Choose any 4 decks free when you start, then unlock other decks individually

QUIZ YOUR WAY
• Practice Japanese → English, English → Japanese, or Listening questions
• Complete 1,700 sentence questions by choosing the word that fits each blank
• Retry wrong answers, continue with fresh words, or focus on new and weak words
• Start focused quizzes from Saved Words and My Vocab

READ WITH CONFIDENCE
• Show complete example-sentence readings in hiragana or romaji
• See the answer form exactly as it appears in each sentence
• Turn reading support on or off at any time

HEAR EVERY WORD
• Audio for all 1,700 built-in words and example sentences
• Bundled audio works offline with no waiting or streaming

TRACK YOUR MASTERY
• Five mastery levels from New to Perfect, based on recent answers and speed
• Review streaks, accuracy trends, overall progress, and deck progress
• Target weak words instead of repeating what you already know

MAKE IT YOURS
• Save useful words for later review
• Add personal vocabulary cards with My Vocab

PRIVATE BY DESIGN
• No account required
• No ads and no cross-app tracking
• Learning progress is stored on your device and backed up under an anonymous ID

Whether you are preparing for the JLPT or reviewing Japanese on the train, Kotobask keeps every session short, focused, and satisfying.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| JLPT N5 Vocabulary Deck 2 | $1.99 | one-time |
| JLPT N5 Vocabulary Deck 3 | $1.99 | one-time |
| JLPT N5 Vocabulary Deck 4 | $1.99 | one-time |
| JLPT N4 Vocabulary Deck 1 | $1.99 | one-time |
| JLPT N4 Vocabulary Deck 2 | $1.99 | one-time |
| JLPT N4 Vocabulary Deck 3 | $1.99 | one-time |
| JLPT N3 Vocabulary Deck 1 | $1.99 | one-time |
| JLPT N3 Vocabulary Deck 2 | $1.99 | one-time |
| JLPT N2 Vocabulary Deck 1 | $1.99 | one-time |
| JLPT N1 Vocabulary Deck 1 | $1.99 | one-time |



## Version history (last 3 releases)

### 1.2.0 — 2026-08-26

• 600 new words and 6 new decks, bringing the library to 1,700 words across 17 decks
• Choose any 4 decks free during onboarding
• New Sentence Quiz mode with 1,700 fill-in-the-blank questions
• Full example-sentence readings in hiragana or romaji
• All built-in word and example audio is now bundled for reliable offline study
• Refreshed Home, Words, Stats, and profile screens
• Start quizzes directly from Saved Words and My Vocab
• Performance and reliability improvements

### 1.1.0 — 2026-08-07

Reading support for quiz answers
• Japanese answer choices now show kana or romaji underneath, so you
  can read every option even when the kanji is above your level
• Choose Off, Kana, or Romaji in Settings. It applies across quizzes,
  the dictionary, word details, and My Vocab

Works offline
• Decks and words are now saved on your device, so the app opens and
  quizzes run without a connection

Sound and haptics
• The Sound & Haptics setting is now connected, with feedback for
  correct and wrong answers and a sound for your session score

Achievement cards
• Answer every word in a deck, or bring a whole deck to Perfect
  mastery, to see a card you can share

Fixes
• Your quiz direction and question count are now remembered between
  sessions
• Long English meanings no longer cover the word and its reading in
  word lists

### 1.0.0 — 2026-07-28

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*