Mojiru: Learn Japanese

Hiragana, Katakana & JLPT

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Master Japanese from your first hiragana to JLPT N1 — smart spaced repetition, quizzes, and mock tests in a calm, paper-and-ink design. Mojiru is a calm, focused way to learn Japanese — from your very first hiragana character all the way to JLPT N1. Built around a spaced-repetition system (SRS) that surfaces the right card at the right moment, Mojiru helps you remember more while studying less. LEARN THE KANA • Master every hiragana and katakana character • Clear, beautiful glyphs with native audio • Quick quizzes that lock in recognition JLPT N5–N1 • Vocabulary and grammar for every level • Adaptive spaced-repetition review • Full-length mock tests to check your readiness STUDY THAT STICKS • A smart SRS schedules your reviews automatically • Daily streaks and a study heatmap keep you going • Track progress across kana, vocabulary, and grammar DESIGNED TO BE CALM • A warm “paper and ink” aesthetic, in light and dark • Careful Japanese typography throughout • No clutter, no noise — just you and the language YOURS, EVERYWHERE • Works fully offline • Optional sign-in (Apple, Google, or email) to back up and sync your progress across devices Mojiru is free to start with hiragana, katakana, and JLPT N5. Mojiru Pro unlocks JLPT N4–N1 and unlimited study. Start today. Learn a little, every day. 文字る。 ——— Mojiru Pro is an auto-renewable subscription. Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Privacy Policy: https://mojiru.app/privacy Terms of Use: https://mojiru.app/terms

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The developer, Rokku Studio Inc., 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 Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Contact Info
    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Rokku Studio Inc.
Size
  • 124 MB
Category
  • Education
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • Mojiru Pro (Lifetime) $89.99
  • Mojiru Pro (Annual) $49.99
  • Mojiru Pro (Monthly) $4.99
  • Learn More
Copyright
  • © 2026 Rokku Studio Inc.
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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