
Foldmetry: Spatial Reasoning
Mental Rotation & Cube Folding
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Free
In-App Purchases
About
Build stronger spatial intuition, one focused session at a time.
Foldmetry turns six spatial-reasoning skills into clear, interactive exercises:
• Mental Rotation: recognize a solid after it turns in 3D
• Cube Nets: predict how a flat net folds into a cube
• Perspective Taking: visualize structures from another viewpoint
• Paper Folding: reverse folds and predict position patterns
• Block Assembly: count volume, missing cubes, and exposed faces
• Cross Sections: find exact slices through 3D structures
START FREE
Start all six paths, complete the first two lessons in each path, try a daily mixed session, and review up to three missed questions at a time. Best scores, stars, streaks, and recent progress stay on your device.
PRACTICE YOUR WAY WITH FOLDMETRY PRO
Unlock all 36 guided lessons, full ten-question Mistake Review, unlimited practice at difficulty levels 1–10, selectable session lengths, and complete training history.
Choose an annual subscription with a 7-day free trial for eligible customers, or unlock Pro with a one-time lifetime purchase. Pricing and eligibility appear in the App Store purchase sheet. Restore purchases at any time from Settings.
PRIVATE BY DESIGN
No account. No ads. No analytics or behavioral tracking. Your training history, mistake queue, and preferences remain on your device. Exercises and licensed paper-folding animations work offline; App Store access is only needed for purchases and entitlement updates.
Foldmetry is an independent educational practice tool. It does not measure IQ, provide medical advice, guarantee academic or exam results, or claim affiliation with any examination authority.
Terms of Use: https://sdli416.github.io/MyStockYardagesPrivacy/foldmetry/terms/
Privacy Policy: https://sdli416.github.io/MyStockYardagesPrivacy/foldmetry/privacy/
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What's New in Foldmetry
1.1
August 11, 2026
Build a lasting spatial practice with six guided learning paths, 36 named lessons, star-based mastery, and a new Cross Sections mode. Missed questions now return in Mistake Review, and Paper Folding includes 137 licensed animation-based challenges. We also expanded advanced generators with all 11 cube nets, new viewpoints, denser structures, exposed-surface questions, four-fold paper patterns, and complete Simplified Chinese support.
MoreSubscription plans
Foldmetry Pro Annual
Unlimited training, advanced levels, and full history.
$9.991 Year
7 Days trial1
In-App Purchases
$24.99
Foldmetry Pro Lifetime
Unlock Pro forever with one purchase.




