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About
Every row and column uses each number once - and every outlined cage must hit its target with +, -, x or /.
Cross Math Calm is the thinking person's number grid: pure logic with a pinch of arithmetic, from friendly 4x4 to fiendish 7x7.
FEATURES
- Four sizes, rising difficulty
- Cage clues turn red the moment they break
- Pencil notes and a daily grid
- Uniquely solvable, always
QUIET BY DESIGN
- No account needed
- Works offline
- No ad interruptions
- Your progress stays on your device
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://peidusproducts.com/legal/crossmath.html
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What's New in Cross Math Calm
1.0
August 5, 2026
Subscription plans
Cross Math Calm Premium
Unlock every puzzle, remove limits, support the app.
$19.991 Year
1
In-App Purchases
$49.99
Cross Math Calm Lifetime
Unlock everything forever.





