FiveMinuteFox: Mental Math

Finance & Consulting Practice

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

22 of 30 levels free. No account required, no ads. Just open, play, and feel smarter at work and interviews, size up deals in real-time at lunch meetings, on the golf course, or at conferences. Built by a finance professional with 24 years of experience who has interviewed hundreds of analyst candidates. This is the daily mental math training that separates successful business leaders from everyone else. HOW IT WORKS Complete 100 questions daily whenever you have 5 minutes. 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 • Level 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, 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 specialty finance levels (23-30) in Daily Game, all 30 levels in Practice Mode, and removes delay screens. Privacy Policy & Terms of Use: https://fiveminutefox.com/privacy

Ratings & Reviews

  • 5.0
    out of 5
    3 Ratings

Improved Free Version, UI improvements.

Version 1.2

The developer, KeepAddIt Works, LLC, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • KeepAddIt Works, LLC
    Size
    • 3.7 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.6 or later.
    • iPhone
      Requires iOS 17.6 or later.
    • iPad
      Requires iPadOS 17.6 or later.
    • Mac
      Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.3 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    • FiveMinuteFox Premium $29.99
    • FiveMinuteFox Premium $4.99
    • Learn More
    Copyright
    • © 2026 KeepAddIt Works, LLC
  • Developer Website
  • Privacy Policy

    • More by KeepAddIt Works, LLC

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