Best Body Fat Calculator Apps

247+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated September 2026

Body Fat Calculator By Fittur is the household name in body fat calculator, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Body Fat Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Body Fat Calculator By FitturBody Fat Calculator By FitturFree4.6★ (955)NoNoSep 2026
2BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (29K)NoYesSep 2026
3BMI Calculator‰BMI Calculator‰Free4.9★ (24K)YesNoSep 2026
4Plixi: Body Fat CalculatorPlixi: Body Fat CalculatorFree4.6★ (75)YesYesSep 2026
5BMI, BMR, Body Fat CalculatorBMI, BMR, Body Fat CalculatorFree4.8★ (10)YesYesSep 2026
6Body Fat Calculator (PRO)Body Fat Calculator (PRO)Free—NoYesSep 2026
7Body Fat Calculator - LeanFuelBody Fat Calculator - LeanFuelFree—NoNoMay 2026
8FatMetric: Body Fat CalculatorFatMetric: Body Fat CalculatorFree—YesNoMay 2026

Top Picks for Body Fat Calculator

Body Fat Calculator By Fittur#1

Body Fat Calculator By Fittur by Fittur LLC

Army & Navy Percentage Tracker
Editor's Choice
💪 Health & Fitness
4.6😞(955 ratings)
Free
Body Fat Calculator By Fittur screenshot 1
Body Fat Calculator By Fittur screenshot 2
Body Fat Calculator By Fittur screenshot 3
Body Fat Calculator By Fittur screenshot 4
Body Fat Calculator By Fittur screenshot 5
Body Fat Calculator By Fittur screenshot 6

Estimate your body fat percentage using gender, height, and measurements. Compare your results with professionally rendered 3D body fat images for enhanced accuracy. Track changes in body composition over time.

What We Love

  • 👍 Quick and easy to use
  • 💡 Helpful for tracking progress
  • 👍 Accurate body fat calculation

Room to Improve

  • 🐛 App gets stuck on last page of setup
  • 🐛 Demands download of another app
  • 🐛 Full-screen ads that cannot be closed
  • 🐛 Unreliable body fat estimation
BMI Calculator – Weight Loss#2

BMI Calculator – Weight Loss by Steffen Mayer

Calculate your ideal weight
Strong Contender
💪 Health & Fitness
4.5😞(29K ratings)
FreeIn-App Purchases
BMI Calculator – Weight Loss screenshot 1
BMI Calculator – Weight Loss screenshot 2
BMI Calculator – Weight Loss screenshot 3

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

What We Love

  • 🚀 Easy to use
  • 📊 Helps track progress
  • 💪 Motivates weight loss

Room to Improve

  • 🤕 Can cause insecurity
  • 🚫 Inaccurate BMI calculations
  • 🚨 Promotes unhealthy behaviors
BMI Calculator‰#3

BMI Calculator‰ by Tim O's Studios, LLC

Body Mass Index Calculator
Worth Considering
💪 Health & Fitness
4.9😐(24K ratings)
FreeAds
BMI Calculator‰ screenshot 1
BMI Calculator‰ screenshot 2

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

What We Love

  • 🚀 Quick and easy to use
  • 👍 Straightforward interface
  • ✅ Accurate BMI calculations
  • 💡 Supports both metric and imperial units

Room to Improve

  • 🐛 Inability to input decimal values for height and weight
  • 🔍 Lacks advanced features like body composition analysis
  • 💸 Aggressive advertising interrupting usage
  • 🔧 Compatibility issues with newer OS versions

More Body Fat Calculator apps to explore

FAQ about Body Fat Calculator

What are the best body fat calculator apps for iPhone?
Body Fat Calculator By Fittur tops our body fat calculator apps ranking as of September 2026, with a 4.6-star average from 955 App Store ratings, and it's free to download.
Yes — 18 of the top body fat calculator apps we rank are free to download, including Body Fat Calculator By Fittur and BMI Calculator – Weight Loss.
Body Fat Calculator By Fittur has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 247+ body fat calculator apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app estimates your body fat percentage using your gender, height, and body measurements. It utilizes the US Navy body fat calculator formula and offers a unique feature of comparing your results with professionally rendered 3D body fat images for increased accuracy.
The app provides an estimated body fat percentage based on the US Navy formula. It then allows for further refinement through visual comparison with 3D body fat images, designed by physiologists to be within 1-2% accuracy, aiming to be more precise than electrical impedance devices.

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