Shidoku

4x4 Sudoku for Everyone

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

Simple, relaxing 4x4 Sudoku — perfect for beginners and quick brain breaks. Progress at your own pace, unlock levels with stars, and enjoy ad-free with one purchase. Shidoku is a relaxing, beginner-friendly puzzle game built around the classic 4x4 Sudoku (Shidoku) format — perfect for teens and adults who want to sharpen their logic skills without the overwhelm of a full 9x9 grid. Whether you're completely new to Sudoku or a seasoned solver looking for a quick brain workout, Shidoku eases you in with simple 1-4 puzzles and lets you progress naturally as your confidence grows. FEATURES - Clean, distraction-free 4x4 Sudoku puzzles using numbers 1-4 - Progressive difficulty — unlock new levels by earning stars, no pressure - Game Center integration for achievements and leaderboards - Fast, satisfying puzzle sessions — perfect for a quick mental break - Available in 11 languages: English, German, Spanish, French, Italian, Japanese, Korean, Dutch, Vietnamese, Simplified Chinese, and Traditional Chinese UNLOCK EVERYTHING Enjoy the game for free with light ads, or unlock the full experience with a one-time purchase — no subscriptions, no recurring charges. All levels can also be unlocked naturally through gameplay; the purchase simply lets you skip ahead if you'd rather play ad-free right away. WHY SHIDOKU? Most Sudoku apps jump straight into complex 9x9 grids that can feel intimidating. Shidoku strips the puzzle down to its essence, making it approachable for newcomers while still offering genuine logical challenge — a great way to introduce yourself or your family to the world of Sudoku. TERMS & PRIVACY Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shidoku.youmindhub.com/privacy

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The developer, 少新 蔡, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Purchases
    • Identifiers
    • Usage Data

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
少新 蔡
Size
12.5 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.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 10 more
  • English, Dutch, French, German, Italian, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese, Vietnamese
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 YouMindHub. All rights reserved.
  • Developer Website
  • Privacy Policy

    • Supports

    • Game Center

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