ShirokuLogic

2000 black-and-white puzzles

Free · Designed for iPad. Not verified for macOS.

Black. White. A flash of insight. ShirokuLogic is a logic puzzle in which you use number clues to color every cell black or white. Each intersection number counts the less common color in the four cells around it. A 1 means three white and one black, or the reverse. It does not simply count black cells. Connect the clues and enjoy the moment everything falls into place. • 2000 puzzles, from gentle introductions to thoughtful challenges • Discover special rules, including matching cells, minority arrows and line balance • Organize your ideas with X and Y notes • Undo, retry and automatic progress saving • A clean monochrome design and music you can switch on or off • Nine languages, with puzzles playable offline Contains ads. An internet connection is required for ads. Hints are available by watching rewarded ads.

Ratings & Reviews

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• Added ranks based on the number of puzzles solved. • Improved early tutorials for taps, swipes, and tapping 0 to fill four cells. • Keep viewing the completed board and enjoy a new celebration effect. • Improved the banner layout and memo display.

Version 1.0.2

The developer, Takeru Ito, 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:

    • Location
    • Identifiers
    • Usage Data

  • Data Not Linked to You

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

    • Location
    • Identifiers
    • Usage Data
    • 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
Takeru Ito
Size
188.1 MB
Category
Puzzle
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 or later.
  • Mac
    Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English and 8 more
  • English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
Age Rating
4+
Copyright
© 2026 ItoTakeru
  • Developer Website
  • Privacy Policy

    • More by Takeru Ito

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