Archived App (Last seen on 26 Jun 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.
About
Improving mental math comes down to consistency speed and awareness of your own performance. This app provides a focused environment to train your thinking and measure progress clearly. Core Features. Fast practice sessions. Multiple training modes. Answer reveal system. Timer based challenge mode. Performance tracking. Progress visualization. Session history. Educational Purpose. This app helps build mental math skills through consistent practice.
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What's New in JCKPD PRTEN
1.0.1
April 22, 2026
Master mental calculation with our brand new Daily Mental Math Tip feature on the home screen. Every day, you'll receive a curated strategy to solve complex math problems in seconds. Learn professional shortcuts for multiplication, percentages, and rapid estimation techniques. Improve your reflex speed by applying these expert tips during your daily training sessions. The dynamic tip card provides fresh insights every time you log in to keep your brain sharp. Elevate your math skills with practical techniques designed for both students and professionals.
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In-App Purchases
$0.99
Unleash your reflexes
Get Endurance training with all card sessions