Kraepelin Test Downloads & RevenueKraepelin Test: Brain Math · App Store & Google Play

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.

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.

Kraepelin Test is the complete Pauli & aptitude test trainer: practice mental math, focus and concentration to get ready for psychometric, job and recruitment assessments. Build the speed, accuracy and endurance that hiring tests measure — a little every day.

The Kraepelin Test (also known as the Pauli test or "Koran" test) is a classic speed-arithmetic drill used worldwide in psychological and employment assessments. This app turns that drill into a daily habit, with real-time scoring and clear performance insights.

📋 HOW IT WORKS
You see columns of single-digit numbers. Add each pair of adjacent digits and tap only the LAST digit of the sum — as fast and accurately as you can before time runs out. Simple to learn, genuinely challenging to master.

🎯 WHAT IT TRAINS
• Speed — mental arithmetic under time pressure
• Accuracy — precision on long, repetitive calculations
• Consistency — steady focus from start to finish
• Endurance — concentration stamina over long drills

🔥 BUILD A DAILY HABIT
• Streaks that reward you for practicing every day
• Daily goal ring — set 3, 5 or 10 minutes and watch it fill
• Daily Challenge — beat your best score to earn a bonus
• Achievements to unlock as you improve
• History & Trends — track speed, accuracy, consistency and endurance over time

📊 DETAILED RESULTS
• Overall score with a Very Bad → Very Good rating
• Correct, wrong, accuracy % and speed for every session
• Segment-by-segment performance charts
• Deeper Insights: your strongest area, the area to improve, and per-metric rings
• Export any result to PDF and share it

⏱️ REAL EXAM PRACTICE
• Official 11.5-minute and 22.5-minute drills
• Quick 1, 2, 5 and 30-minute sessions, or a custom length
• Horizontal or vertical question layout
• Phone (123) or calculator (789) keypad

✨ MORE
• Works 100% offline — practice anywhere, no internet needed
• Dark mode and accent colors
• Sound & vibration feedback
• English & Indonesian
• No sign-up required — start instantly

👥 PERFECT FOR
• Job seekers preparing for psychometric and aptitude tests
• Students getting ready for company or civil-service entrance exams
• Anyone training focus, concentration and mental math
• Brain-training fans who love a daily cognitive challenge

Remove ads anytime with a one-time Premium upgrade.

Download Kraepelin Test and start building sharper focus, faster mental math and stronger concentration today.