Train your focus & mental math with Kraepelin-style number exercises.
About Kraepelin Test
Kraepelin Test is an education app developed by Micro App Digital.
Download Statistics
Kraepelin Test has been downloaded 7.4 thousand times. In the last 30 days, the app was downloaded 2.2 thousand times.
User Ratings
The app has no ratings yet.
App Information
Kraepelin Test is FREE to download. The APK download size is 11.86 MB. The latest version available is 1.2.1. The last update was on June 23, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play November 2025.
Description
Kraepelin Test is a brain training app that helps you practice number addition exercises inspired by the classic Kraepelin method. Sharpen your mental arithmetic, build concentration, and track your progress over time.
Whether you want to train your focus, practice mental math, or simply challenge yourself with a fun cognitive exercise, this app gives you unlimited practice with real-time scoring and detailed performance insights.
📋 HOW IT WORKS The app presents columns of single-digit numbers. Your task is to add each pair of adjacent numbers and enter only the last digit of the sum. Try to work as fast and accurately as possible before the timer moves to the next column.
This exercise trains: • Sustained attention and concentration • Mental calculation speed • Work consistency and stamina • Focus under time pressure • Accuracy during repetitive tasks
🎯 KEY FEATURES • Classic Kraepelin-style number addition exercise • Adjustable session duration and difficulty • Configurable column timing for flexible practice • Practice mode for relaxed training without time pressure • Detailed results with accuracy, speed, and consistency metrics
📊 RESULTS & PERFORMANCE TRACKING • Accuracy percentage for each column • Speed score (calculations completed per minute) • Consistency graph showing your focus stability • Error pattern insights to help you improve • Historical performance tracking with progress charts • Compare your scores across multiple sessions
👥 GREAT FOR • Students looking to improve concentration and mental math • Anyone preparing for timed number exercises • Brain training enthusiasts who enjoy cognitive challenges • People who want to build better focus habits • Anyone curious about the Kraepelin method of cognitive training
âš¡ TIPS FOR BEST RESULTS • Start with shorter sessions and gradually increase duration • Focus on accuracy first, then build speed • Practice regularly — daily sessions of 15 minutes show great improvement • Use the consistency analysis to spot when your focus dips • Review your error patterns to understand common mistakes
✨ MORE FEATURES • Clean, distraction-free interface designed for focus • Dark mode for comfortable use day and night • No account or sign-up required — start immediately • Works 100% offline — practice anywhere without internet • Lightweight and fast — no bloat, no ads interrupting your flow • Regular updates with improvements
Download Kraepelin Test now and start building better concentration, faster mental math, and stronger focus today!
Recent changes: What's new in 1.2.1: - Smoother, more rewarding animations across the whole app - Celebrate a new personal best with a special moment after each test - Fixed a number-pad layout issue that clipped a key on some devices - Improved sound performance and overall stability
Get a detailed PDF report for Kraepelin Test with download trends, rating history,
and key performance statistics — useful for competitive research or tracking your own app.
Learn more
Are you the developer of this app? Join us for free to see more information about your app and learn how we can help you promote and earn money with your app.
Each subscription will automatically renew 3 days before the expiration date for
the same time period. Subscriptions can be cancelled at any time before the renewal.
