FiveMinuteFox

In-app purchases
1+
Downloads
Content rating
Everyone
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About this app

Develop your quantitative sixth sense with FiveMinuteFox — the daily mental math trainer designed specifically for finance and business professionals.

Wouldn't it be great to feel smarter during the workday, process quantitative information comfortably, and size up deals in real-time at lunch meetings, on the golf course, or at conferences?

HOW IT WORKS
Complete 100 questions daily whenever you have 5 minutes during your day. The app starts at Level 1 each day as a warm-up, then automatically progresses through 30 levels of increasingly challenging content.

30 PROGRESSIVE LEVELS
• Levels 1-5: Arithmetic warm-up and multiplication up to 20x20
• Levels 6-10: Progressive Multiplication Practice
• Levels 11: Addition Estimation
• Levels 12-20: Progressive Division Practice and Percentages
• Levels 21-22: Hard Multiplication and Division
• Levels 23-30: Specialized business context practice, including corporate finance, real estate, IRR/MOIC practice, private equity, and fixed income

KEY FEATURES
• Daily practice with streak tracking
• Multiple estimation techniques for each problem
• Detailed explanations showing various solution methods
• Practice Mode for targeted skill building
• Customizable settings and international number formats

PREMIUM SUBSCRIPTION
• Premium unlocks all 30 levels in Practice Mode, specialty finance levels (23-30) in Daily Game, and removes delay screens.

Built by a finance professional with 20+ years of experience who has interviewed hundreds of analyst candidates. This is the quantitative training that separates successful business leaders from everyone else.
Updated on
Jan 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

Improved onboarding screens layout, revised menu labels.

App support

About the developer
KeepAddIt Works, LLC
keepadditworks@gmail.com
1209 Mountain Road Pl NE Ste N Albuquerque, NM 87110-7845 United States
+1 505-545-4645