Shikaku: Logic Number Puzzle

Relaxing brain teaser & grid

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

Shikaku is a relaxing logic puzzle with one simple rule and endless depth: divide the grid into rectangles so that each rectangle contains exactly one number — and that number equals the rectangle's area. Easy to learn, hard to put down. No timers forcing you (unless you want them), no clutter — just you, the grid, and that satisfying click when everything fits. WHY YOU'LL LOVE IT • One rule, infinite puzzles — every board has a single, logical solution • Zen mode: solve at your own pace, zero pressure • Time Trial: race the clock for a real challenge • Daily Challenge: a fresh puzzle every day, resets at 9 AM your time • 100% offline — play on a plane, a subway, anywhere • Clean, cozy design that's easy on the eyes • Handmade sound and a calm soundtrack • Unlock color themes and pixel avatars as you progress HOW TO PLAY 1. Tap and drag to draw a rectangle 2. Each rectangle must hold exactly one number 3. The number = how many cells the rectangle covers 4. Fill the whole board with no gaps or overlaps — solved! If you love Sudoku, Nonogram (Picross), Kakuro or other Japanese logic and number puzzles, Shikaku will be your new favorite brain teaser. Free to play, with optional Shikaku Premium. SHIKAKU PREMIUM (optional) • Remove all ads and play without interruptions • Free hints on every level — no coins needed (up to 2 per level) • Support a small studio making calm puzzle games with care Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your account settings. Privacy Policy: https://shikaku.ignite-web-studio.com/privacy Terms of Use (EULA): https://shikaku.ignite-web-studio.com/terms Questions or ideas? We read every message: shikaku@ignite-web-studio.com

Ratings & Reviews

  • This app has not received enough ratings or reviews to display an overview.

Stability improvements and internal tweaks so Shikaku runs smoother. Enjoying the puzzles? A rating helps more than you'd think — it's what lets us keep adding levels. Thanks for playing!

Version 1.0.1

The developer, Jesus Olivas, 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:

    • Purchases
    • Location
    • Identifiers
    • Usage Data
    • Diagnostics

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
  • Jesus Olivas
Size
  • 46.1 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
  • Shikaku Premium Annual USD 14.99
  • Shikaku Premium USD 1.99
  • Learn More
Copyright
  • © 2026 Ignite Web Studio
  • Developer Website
  • Privacy Policy

    • More by Jesus Olivas