Kata Japanese: Grammar

Build Japanese by pattern

Only for iPhone

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

iPhone

Build real Japanese sentences from reusable patterns, not isolated vocabulary. Kata Japanese organizes 144 practical sentence forms into particles, politeness, verb forms, adjectives, word order, and connections. Read an English meaning cue, build the Japanese sentence, reveal the pattern, and rate your recall so difficult forms return sooner. Features: • Five-pattern daily practice • 144 Japanese sentence patterns with original examples • Six focused grammar categories • Japanese speech playback • Smart review for difficult patterns • Search across Japanese, English, and explanations • Reviewed, mastered, and streak progress The first 24 patterns are free. Kata Japanese Pro is a one-time purchase that unlocks the remaining 120 patterns and all learning tools. Purchases can be restored from Settings. Speech uses an available Japanese system voice. Purchase and Legal Information Kata Japanese Pro is a one-time, non-consumable purchase that permanently unlocks the remaining 120 patterns and all learning tools. It is not a subscription. Restore the purchase with the same Apple ID. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy

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Clarified Pro purchase terms, privacy information, and terms of use for a more transparent learning experience.

Version 1.0.4

The developer, Starcrown 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 Not Linked to You

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

    • User Content
    • 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
Starcrown Inc.
Size
3 MB
Category
Education
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 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
Copyright
© 2026 Starcrown, Inc.
  • Developer Website
  • Privacy Policy

    • More by Starcrown Inc

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