Kraepelin Test: Pauli & Focus

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.