FFMI Calc vs FFMI Calc
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
FFMI Calc
Read full descriptionHide full description
Calculate your Fat-Free Mass Index (FFMI) and discover your genetic muscle potential with scientific precision. 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: âĸ FFMI & normalized FFMI calculation with gender correction âĸ Casey Butt genetic maximum potential estimation âĸ Body part comparison (chest, arms, legs, etc.) vs. genetic limits âĸ Detailed PDF report with methodology âĸ History tracking with PDF export âĸ Supports metric (kg/cm) and imperial (lbs/in) units âĸ 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/
FFMI Calc
Read full descriptionHide full description
â Main Features Instant FFMI & Normalized FFMI Calculation Simply enter your height, weight, and body fat percentage to instantly calculate your Fat-Free Mass Index (FFMI) and "Normalized FFMI," which adjusts for height differences to ensure a fair evaluation. [NEW] Target FFMI Reverse Simulator "What changes do I need to make to reach a Normalized FFMI of 22?" Just set your target value, and the app automatically generates a "Body Fat % and Target Weight combination list" based on your height. It strongly supports your specific goal setting, from bulking up to cutting, by factoring in body fat fluctuations. Classification Rank Display Based on your calculated values, it provides intuitive feedback on where your muscle mass ranks, from below average up to the "God-like" level. Global Support Full compatibility with both Metric (cm/kg) and Imperial (ft/lbs) systems. It also supports multiple languages (Japanese, English, Korean, Traditional Chinese, and German).
Screenshots
Verdict
The clearest difference is update cadence: FFMI Calc at every 5 days against FFMI Calc's every 4 weeks. FFMI Calc's advantage is iOS requirement (17.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ¡ Rating ¡ Positive reviews ¡ Number of ratings ¡ Update frequency ¡ Ads ¡ In-app purchases ¡ Monetization ¡ Best chart rank ¡ Devices ¡ Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FFMI Calc ships an update every 4 weeks, FFMI Calc every 5 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.
| Parameter | FFMI Calc | FFMI Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 5 days â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad â better |
| Requires iOS | 17.0 â better | 26.4 |
| Further details â not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | JARI TOIVIAINEN | Tomoharu Iseki |
In-app purchases
FFMI Calc
No in-app purchases
FFMI Calc
No in-app purchases









