Kraepelin Test: Pauli Focus
Aptitude, Brain & Mental Math
Free · Designed for iPad. Not verified for macOS.
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.
- This app’s overall rating was recently reset.
What's new in 1.5.0:
- Celebrate your milestones: a new moment marking personal bests and long streaks
- Refreshed animated artwork and smoother popup transitions
- Stability and polish improvements
The developer, Gunawan Santoso, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Gunawan Santoso
- Size
- 31.9 MB
- Category
- Education
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- Copyright
- © 2026 Micro App Digital