Kraepelin Test

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.

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
- Historical performance tracking with progress charts
- Compare your scores across multiple sessions

GREAT FOR
- Students looking to improve concentration and mental math
- Brain training enthusiasts who enjoy cognitive challenges
- People who want to build better focus habits
- Anyone curious about the Kraepelin method of cognitive training

MORE FEATURES
- Clean, distraction-free interface designed for focus
- Dark mode for comfortable use day and night
- No account or sign-up required
- Works 100% offline
- Lightweight and fast

Download now and start building better concentration and mental speed.