Archived App (Last seen on 4 Sep 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Rating summary
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.
