Comparison

FFMI Calc vs FFMI Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FFMI Calc

Features
Read 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: â€ĸ FFMI & normalized FFMI calculation with gender correction â€ĸ Casey Butt genetic maximum potential estimation â€ĸ Body part comparison (chest, arms, legs, etc.) vs. genetic limits â€ĸ Detailed PDF report with methodology â€ĸ History tracking with PDF export â€ĸ Supports metric (kg/cm) and imperial (lbs/in) units â€ĸ 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/

About

FFMI Calc

Features
Read full description

■ 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

FFMI Calc4 screens
FFMI Calc3 screens

Verdict

The call

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

CostPrice ¡ In-app purchases ¡ Ads ¡ Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences ¡ 4 level
FFMI Calc versus FFMI Calc: the parameters behind the verdict, then further details
ParameterFFMI CalcFFMI Calc
PriceFreeFree
Update frequencyEvery 4 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better26.4
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperJARI TOIVIAINENTomoharu Iseki

In-app purchases

None

FFMI Calc

No in-app purchases

None

FFMI Calc

No in-app purchases

Questions

Is FFMI Calc free?
FFMI Calc is free to download, with no in-app purchases.
Is FFMI Calc free?
FFMI Calc is free to download, with no in-app purchases.
Do FFMI Calc or FFMI Calc have ads?
Neither FFMI Calc nor FFMI Calc shows ads.
Which is updated more often, FFMI Calc or FFMI Calc?
FFMI Calc ships an update every 4 weeks, and FFMI Calc every 5 days. Most recently, FFMI Calc was updated on November 9, 2026 and FFMI Calc on November 13, 2026.

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