FFMI Calc

Health & Fitness

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

[Description] FFMI Calc is the most streamlined Fat-Free Mass Index (FFMI) calculator, designed exclusively for serious lifters, bodybuilders, and data-driven athletes. Simply enter your weight and body fat percentage to instantly calculate your FFMI and Normalized FFMI, giving you an objective metric of your muscle mass. [Features] Lightning Fast: Open the app and calculate instantly. No unnecessary taps or screens. 100% Privacy: All processing is done locally on your device. We do not collect, store, or send your data to any external servers. Ad-Free & Totally Free: No annoying banners or pop-ups to distract you. Just a pure analytical instrument. No Account Required: Skip the login. Start using the app the second you download it. Understand your natural limits, set precise muscle-building goals, and take control of your training with FFMI Calc.

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Minor bug fixes and performance improvements.

The developer, Tomoharu Iseki, 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

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

    Seller
    • Tomoharu Iseki
    Size
    • 744.4 KB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 26.4 or later.
    • iPhone
      Requires iOS 26.4 or later.
    • Mac
      Requires macOS 26.4 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Tomoharu Iseki