Katsuyou - Japanese Verb Drill

Conjugate 1600+ Japanese Verbs

Only for iPhone

Free · Designed for iPhone

iPhone

Katsuyou helps you practice and reinforce Japanese verb forms across all JLPT levels (N5–N1). With over 1600 verbs, customizable filters, and instant feedback, it's built for learners who want clean, practical drills without distractions. Key Features: • 1600+ verbs from JLPT N5 to N1 • Practice common forms: te-form, ta-form, nai-form, and more • Customize practice by prompt form, answer form, and word level • Instant feedback with correct answers and form explanations • Mistake history and one-tap retest • Dark Mode support Great for both beginners and JLPT test takers. No login, no ads—just verbs and practice.

Ratings & Reviews

  • 5.0
    out of 5
    2 Ratings

Minor improvements and bug fixes.

Version 1.0.1

The developer, Junjin Chen, 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 Not Collected

    The developer does not collect any data from this app.

    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
      • Junjin Chen
    • Size
      • 79.2 MB
    • Category
      • Education
    • Compatibility
      Requires iOS 16.6 or later.
      • iPhone
        Requires iOS 16.6 or later.
      • Mac
        Requires macOS 13.5 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English and Simplified Chinese
    • Age Rating
      4+
    • Copyright
      • © 2025 Junjin Chen
  • Privacy Policy

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