Kuadra — Shikaku Puzzle

Logic number grid brain game

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

Kuadra is a beautifully simple Shikaku puzzle — divide the grid into rectangles, one number at a time, and quiet your mind while you do it. The rules take ten seconds to learn and a lifetime to master. Every grid has exactly one solution: split it into rectangles so each contains a single number, and that number equals the rectangle's area. No guessing, no luck — just pure logic. WHY YOU'LL LOVE IT • 10,000 handcrafted puzzles across 100 packs, from gentle 5x5 grids to expert challenges • A fresh Daily Challenge every day, with streaks to keep your run alive • Global leaderboards — compare your solve times and climb the ranks • Three game modes and difficulty tiers for every skill level • Undo, redo, and pencil notes so you can think it through • Progress, stats, and 16 achievements to chase BUILT TO RELAX No timers forcing your hand, no clutter, no noise. Play one quick puzzle on a coffee break or lose an hour in a long session — Kuadra meets you where you are. Haptic feedback and clean, calm visuals make every solve satisfying. PLAY YOUR WAY • Six themes, including light and dark • Accessibility built in: large text and high-contrast options • Plays fully offline — no connection required • Optional sign-in to sync your progress across devices Whether you love Sudoku, nonograms, or just a good logic workout, Kuadra is your next daily habit. Download it free and solve your first grid in seconds.

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Leagues, finished properly. • Monday now has its moment: a full-screen result with your badge, your move on the ladder, and the numbers behind it. • See last week's final standings, who went up and who went down, from the result or any time under the league board. • Tap your league badge to browse all five leagues, what moves at each rung, and what unlocks the next one. • Finishing every pack of a difficulty gets its own celebration, with your stats and a new achievement worth 3 keys. • Kuadra Complete owners without an avatar get one chosen for them. • Fixes: league results land on time however early you play on Monday, and league texts fit on smaller phones.

The developer, MJK APPS SRL, 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 Linked to You

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

    • Location
    • Contact Info
    • Identifiers
    • Usage Data
  • Data Not Linked to You

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

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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

Seller
MJK APPS SRL
Size
64.8 MB
Category
Puzzle
Compatibility
Requires iOS 15.0 or later.
  • iPhone
    Requires iOS 15.0 or later.
  • iPad
    Requires iPadOS 15.0 or later.
  • iPod touch
    Requires iOS 15.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
In-App Purchases
Yes
Copyright
© MJK APPS SRL