Shikaku - Brain Workout
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperVoodoo
CategoryGames
PriceFree
Released
Rating★ 4.7 (1.1k)
Version1.2.7
Age rating12+
First seen by us
23 Oct 2026
Installs (est.)100k+ worldwide
Rating
4.7 ★
1.1k ratings
Measured
Shikaku - Brain Workout on the App Store
App details
App ID
6772106126
Publisher
Voodoo
On the store since
May 2026
Under a year
Minimum OS
iOS 14.0+
iPhone 6s and later
Devices
iPhone · iPad
Universal purchase
Content rating
12+
Languages
11
AR EN FR DE IT JA PT RU ZH ES ZH
Size
331 MB
Also listed in
Puzzle
Shikaku - Brain Workout downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Shikaku - Brain Workout makes money: subscriptions, one-off purchases and ads.
Ads · 257 ad networks
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.7 ★
1.1k ratings
Measured
Ratings
1.1k
Measured
About Shikaku - Brain Workout
Discover the relaxing yet challenging world of Shikaku, the classic Japanese logic puzzle! If you enjoy Sudoku, Nonograms, or Minesweeper, this is your next favorite brain workout.
HOW TO PLAY:
The rules are wonderfully simple. You are presented with a grid containing various numbers. Your goal is to divide the grid into rectangles and squares so that each shape contains exactly one number, and the area of that shape exactly matches the number inside it.
FEATURES:
• Easy to learn, difficult to master
• Clean, minimalist interface designed for focus and relaxation
• Hundreds of levels ranging from beginner to expert
• Play entirely offline – no Wi-Fi required
• No timers, no pressure – just pure logic and problem solving
Keep your mind sharp and unwind with Shikaku - Brain Workout!
HOW TO PLAY:
The rules are wonderfully simple. You are presented with a grid containing various numbers. Your goal is to divide the grid into rectangles and squares so that each shape contains exactly one number, and the area of that shape exactly matches the number inside it.
FEATURES:
• Easy to learn, difficult to master
• Clean, minimalist interface designed for focus and relaxation
• Hundreds of levels ranging from beginner to expert
• Play entirely offline – no Wi-Fi required
• No timers, no pressure – just pure logic and problem solving
Keep your mind sharp and unwind with Shikaku - Brain Workout!
Latest updates
1.2.7
New mechanics