Cipher Grid

Puzzle

Free · In-App Purchases

A new secret message to crack. Every single day. Cipher Grid is a daily puzzle game where you decode real encrypted messages using actual historical ciphers. Each puzzle is a quote hidden behind a different code. Your job is to figure out the letters and reveal it. DAILY PUZZLE One new challenge every day. Each day uses a different cipher and difficulty, so no two days feel the same. 18 CIPHERS TO DECODE Caesar. Atbash. ROT13. Morse. Vigenère. Playfair. Semaphore. Maritime Flags. And more. Each one is a real encryption method used throughout history — from ancient scribes to World War spies to modern radio operators. LEARN AS YOU PLAY Built-in lessons explain every cipher from the ground up. No prior knowledge needed. Start as a complete beginner and work your way to mastering techniques used by real cryptographers. ENCRYPT AND DECRYPT A full toolkit covering 22 ciphers, free for everyone. Includes a working Enigma I simulator with configurable rotors, reflector, ring settings, and plugboard, plus the Hill matrix cipher. ZODIAC CHALLENGE A separate set of hand-picked puzzles to solve at your own pace. Free. PRO Unlock unlimited practice puzzles and Secure Message — public-key encrypted messages and photos that only the intended recipient can decrypt. Keys live on your device. Share the envelope as text or QR code, no servers involved. Every future feature added to the app is included. PRIVACY FIRST No accounts. No analytics. No tracking. No ads. Everything stays on your device. Available in English, French, German, Dutch, and Chinese. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gist.github.com/ColdCompile/cf9b3ec7bc1f95c6379477e4bd097cf9

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Enhancements and bug fixes

Version 1.0.5

The developer, Francois Van Malleghem, 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 based, for example, 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

    Provider
    • Francois Van Malleghem
    Size
    • 43.3 MB
    Category
    • Puzzle
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    • Cipher Grid Pro ₱ 599.00
    • Cipher Grid Pro ₱ 49.00
    • Learn More
    Copyright
    • © 2026 Francois van Malleghem
  • Privacy Policy

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