AppBrain's verdict
- Last updated
- April 5, 2026
- Size
- 1.43 MB
User feedback
Ratings and reviews on the App StoreComments on FFMI Calc - Muscle Potential for iOS
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Store listing
By JARI TOIVIAINEN, from the App StoreDescription by JARI TOIVIAINEN Written by the developer, not by AppBrain. Click to read.
FFMI Calc uses the normalized FFMI formula with gender adjustment and Casey Butt's 4th edition model to estimate your maximum lean mass based on your bone structure.
Features:
• FFMI & normalized FFMI calculation with gender correction
• Casey Butt genetic maximum potential estimation
• Body part comparison (chest, arms, legs, etc.) vs. genetic limits
• Detailed PDF report with methodology
• History tracking with PDF export
• Supports metric (kg/cm) and imperial (lbs/in) units
• Available in English, Finnish, and Spanish
All calculations run locally on your device. No account required. No data collected.
https://www.pumprex.com/ffmi-terms-of-service/
https://www.pumprex.com/ffmi-privacy-policy/
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 1.43 MB
- Content rating
- Everyone
Technologies used by FFMI Calc - Muscle Potential
Releases
Updates seen on the App Store- Version
- 1.1
- Launched
- March 2026
No changelog data
Alternatives
Similar apps and more from JARI TOIVIAINENAlternatives to FFMI Calc - Muscle Potential
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About the app and developer
About FFMI Calc - Muscle Potential
FFMI Calc - Muscle Potential is a health & fitness app developed by JARI TOIVIAINEN.
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App Information
FFMI Calc - Muscle Potential is freely available from the App Store. The app size is 1.43 MB. The latest version available is 1.1. The last update was on April 5, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
FFMI Calc - Muscle Potential is made and published by JARI TOIVIAINEN. AppBrain is an independent app data site and isn't affiliated with JARI TOIVIAINEN. The app name, icon, screenshots and description belong to JARI TOIVIAINEN and are shown as published on the App Store.
Developer information for JARI TOIVIAINEN
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