Mojidex: Learn Japanese
JLPT Kanji RPG: Hiragana Quiz
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Master a kanji, meet its Spirit. Study JLPT N5 to N1 as a pixel-RPG dungeon — earn every spirit, never buy them.
Learn Japanese the way you'd play your favorite retro RPG.
Mojidex turns JLPT study into a 16-bit pixel dungeon. Clear bite-sized lessons, build your streak, and meet a Kanji Spirit for every character you master. Each spirit can never be bought — only earned by learning. Your collection IS your progress.
WHY MOJIDEX
• The full JLPT ladder — N5, N4, N3, N2 and N1, thousands of questions in one app
• Dungeon-map learning path — zig-zag through each level, one node at a time
• The Encyclopedia (文字図鑑) — collect a pixel Kanji Spirit for every word you learn
• Vocabulary, grammar, reading — multiple-choice drills with instant feedback
• A full, scored mock JLPT exam (0–180) to test yourself before the real thing
• Streaks, XP, combos, and juicy pixel feedback on every answer
HEARTS — PLAY FREE
You start with 5 hearts. A wrong answer costs one heart; they refill over time, or instantly by watching a short video. Run low and you can take a break, review to recover, or go unlimited with Standard.
STANDARD SUBSCRIPTION
• Unlimited hearts — learn as long as you like, no waiting
• Ad-free
• Full mock JLPT exams
Pricing varies by region. The yearly plan is the best value and includes a 7-day free trial. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your Apple account settings.
Spirits are earned through study — never sold, never random. Start your collection today.
Terms of Use (EULA): https://qtarou11111.github.io/mojidex-web/terms.html
Privacy Policy: https://qtarou11111.github.io/mojidex-web/privacy.html
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Ryutaro Nakano, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ryutaro Nakano
- Size
- 15 MB
- Category
- Education
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 12 more
- English, French, German, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Vietnamese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Standard (3 Months) $6.99
- Standard (Yearly) $17.99
- Standard (Monthly) $1.99
- Copyright
- © 2026 App Dragon