Kaku - Shikaku Puzzle

Calm daily brain games

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

A new Puzzle of the Day, every day. Divide the grid into rectangles, keep your streak alive, and unwind with calm, handcrafted logic. Kaku is a calm, elegant logic puzzle. Divide the grid into rectangles, where every rectangle holds exactly one number equal to its area. One solution, pure deduction, no luck. A NEW PUZZLE EVERY DAY Solve the Puzzle of the Day, build a daily streak, and track your best times. Your progress syncs across your devices with iCloud. INFINITE PUZZLES Generate endless puzzles across four board sizes and four difficulty tiers, from gentle warmups to expert brain benders. Every puzzle is guaranteed to have a single, logical solution. PLAY YOUR WAY - Draw rectangles with a simple drag - Undo, hints, and an optional mistake limit - Light and dark themes with selectable accent colors - Soft haptics and sound you can turn off anytime - Fully playable offline DESIGNED TO RELAX Warm paper tones, gentle glass surfaces, and a quiet, focused layout. No countdown forcing you, no clutter, no ads getting in the way. Just you and the grid. COMPETE AND ACHIEVE Climb the Game Center leaderboards for daily times and longest streaks, and unlock achievements as your streak grows. Whether you have two minutes or twenty, Kaku is a thoughtful way to sharpen your mind and slow down. Privacy Policy: https://gonzalofuentes.com/shikaku/privacy-policy Terms of Service: https://gonzalofuentes.com/shikaku/terms-of-service

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The developer, Gonzalo Fuentes, 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 Linked to You

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

    • 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
  • Gonzalo Fuentes
Size
  • 9.7 MB
Category
  • Puzzle
Compatibility
Requires iOS 26.0 or later.
  • iPhone
    Requires iOS 26.0 or later.
  • iPad
    Requires iPadOS 26.0 or later.
  • Mac
    Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.0 or later.
Languages
English and 6 more
  • English, French, German, Italian, Japanese, Portuguese, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © Gonzalo Fuentes
  • 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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