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 to 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.