JJ Sensei

Learn hiragana & katakana

Only for iPhone

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

iPhone

Learn hiragana & katakana the fun way — catch falling kana Tetris-style, battle verb conjugations, and climb Game Center leaderboards. 5 minutes a day is enough. JJ Sensei turns learning Japanese kana into a fast, satisfying puzzle game. Blocks fall Tetris-style — match each one to the right hiragana or katakana before it lands. The more you play, the more the kana stick, through active recall instead of boring flashcards. FEATURES • Learn all hiragana and katakana as you play • Six modes: Hiragana, Katakana, All Kana, Grid Rush, Verb Lab, and Master • Combo scoring that rewards speed and accuracy • Game Center leaderboards and achievements • Clean, distraction-free design — offline-friendly, no ads, no tracking HOW TO PLAY 1. A kana block appears with a reading prompt 2. Match it to the correct character before it lands 3. Keep your streak alive to build high-scoring combos Free to play. Optional Premium unlocks unlimited lives and every level — available monthly, yearly, or as a one-time lifetime purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.xco-ai.com/jjsensei

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Game Centre scoring system.

Version 1.3

The developer, Chun Hei Mak, 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
    Chun Hei Mak
    Size
    34 MB
    Category
    Puzzle
    Compatibility
    Requires iOS 18.6 or later.
    • iPhone
      Requires iOS 18.6 or later.
    • Mac
      Requires macOS 15.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.6 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    • Premium Lifetime $19.99
    • Premium Yearly $9.99
    • Premium Monthly $1.99
    • Learn More
    Copyright
    © 2026 xco-ai Studio
  • Developer Website
  • Privacy Policy

    • Supports

    • Game Center

      Discover new games and play with friends. This game also features leaderboards and achievements.

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