CODE MASTER: Logic Puzzle

Deduction, strategy & codes

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

Crack number and gem codes through pure deduction. Learn from Coach, track every clue, and review the reasoning path that led to the solution. CODE MASTER is a deduction puzzle game built around logic, not luck. Crack Number Code by using every clue to narrow thousands of possible combinations down to one answer. Then take the same reasoning into Gem Code, where colors and symbols create a different kind of challenge. CODE MASTER does more than tell you whether a guess is right or wrong. • Track your guesses and deduction history • Use the Digit Tracker to organize your own reasoning • Turn on Assistance for additional deduction cues • Learn with Coach as it explains useful next-step strategies • Review the complete reasoning path after solving a code • Play Number Code and Gem Code as separate challenges • Share your result after a successful solve The core game is designed to reward careful observation, elimination, and logical thinking. Advanced guidance and review features are available through a one-time Full Unlock purchase. No subscription is required. Crack the code. Master the logic.

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The developer, Hsin Chih Hung, 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

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    Accessibility

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

    Information

    Seller
    • Hsin Chih Hung
    Size
    • 7.1 MB
    Category
    • Puzzle
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 4 more
    • English, Japanese, Korean, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Hsin Chih Hung
  • Developer Website
  • Privacy Policy

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