Best Body Fat Apps

220+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

With an average user rating of 4.6★, the body fat category is one of the App Store's strongest. Browse all 220+ apps we track, sorted so the most loved ones surface first.

Top Picks for Body Fat

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
MeThreeSixty: 3D Body Scan・BMI#2

MeThreeSixty: 3D Body Scan・BMI by Size Stream LLC

Weight Loss & Health Tracker
Strong Contender
💪 Health & Fitness
4.7😞(18K ratings)
FreeAdsIn-App Purchases
MeThreeSixty: 3D Body Scan・BMI screenshot 1
MeThreeSixty: 3D Body Scan・BMI screenshot 2
MeThreeSixty: 3D Body Scan・BMI screenshot 3
MeThreeSixty: 3D Body Scan・BMI screenshot 4
MeThreeSixty: 3D Body Scan・BMI screenshot 5
MeThreeSixty: 3D Body Scan・BMI screenshot 6

Transform your phone into a 3D body scanner to accurately track your progress. Get detailed body measurements and visualize your changes with a personal 3D avatar. All your data stays private on your device.

What We Love

  • 🚀 Fast and easy scan
  • 👍 Helpful for tracking progress
  • 🤩 Motivating to see body changes
  • 💪 Accurate measurements

Room to Improve

  • 🐛 Inconsistent/inaccurate measurements
  • 🤖 Annoying voice instructions
  • 💰 Paid app after being free
trackBod - AI Body Scan#3

trackBod - AI Body Scan by SHOOTFORTHEMOON LLC

Check your body fat percentage
Worth Considering
💪 Health & Fitness
4.8😊(1K ratings)
FreeIn-App Purchases
trackBod - AI Body Scan screenshot 1
trackBod - AI Body Scan screenshot 2
trackBod - AI Body Scan screenshot 3
trackBod - AI Body Scan screenshot 4

This app analyzes your body composition by asking a few questions and taking front and side photos. It provides actionable insights to help you achieve your fitness goals faster. Understand your body better and take control of your health journey.

What We Love

  • 👍 Great app
  • 🚀 Works well
  • 👍 Accurate
  • 👍 Helps track progress

Room to Improve

  • 🐛 Issues with functionality
  • 💰 Expensive subscription
  • 🤔 Unclear instructions

More Body Fat apps to explore

4
ZOZOFIT: 3D Body Scanner
ZOZOFIT: 3D Body Scanner
ZOZOFIT: 3D Body Scanner
Track Progress, Fitness & BF%
Free

This app uses 3D body scanning to provide detailed body measurements and track fitness progress. It offers AI-powered nutrition logging, posture assessment, and clothing size recommendations to help users achieve their health and transformation goals.

3D body scanning with 12 key measurementsBody fat percentage calculationSide-by-side scan comparison
💪 Health & Fitness
(7.1K)
free with in-app purchases
5
Spren Body Composition Scanner
Spren Body Composition Scanner
Spren Body Composition Scanner
Measure Body Fat Percentage
Free

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

Body fat percentage measurementBMI calculatorBody composition analysis
💪 Health & Fitness
(1.5K)
free with in-app purchases
6
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Weight Loss Diet, Meal Tracker
Free

This app guides users through intermittent fasting to achieve weight loss, improve health, and boost energy. It offers personalized plans, daily coaching, recipes, and tools like a water tracker and weight log. Users can choose from various fasting plans and track their progress towards their health goals.

Personalized fasting plansDaily coaching and motivation100+ recipes for fasting success
💪 Health & Fitness
(144K)
free with in-app purchases
7
Progress Body Tracker: My BMI
Progress Body Tracker: My BMI
Progress Body Tracker: My BMI
Fat Measurement & Weight Loss
Free

Track your weight loss, body measurements, and BMI with this app. Log photos and data to visualize your progress, understand the impact of workouts and diets, and stay motivated with rewards. Syncs with health platforms.

Weight loss goal trackingBody measurement loggingBMI calculation
💪 Health & Fitness
(9.2K)
free with in-app purchases
8
Body Fat App
Body Fat App
Body Fat App
by Layer Branding LTD
Free

Calculate your body fat percentage using a simple formula based on neck, waist, and height measurements. Track your progress effectively for weight loss and fitness goals. This method has been validated against laboratory devices for accuracy.

Body fat percentage calculationTrack weight loss progressSimple circumference measurements
💪 Health & Fitness
(1)
free
9
Lose Belly Fat at Home
Lose Belly Fat at Home
Lose Belly Fat at Home
Home Workout for Flat Stomach
Free

Achieve a flatter stomach with short, effective home workouts. This app offers scientifically proven plans requiring no equipment, guided by animations and videos. Track progress, get reminders, and health tips for a healthier lifestyle.

10-minute effective fat-burning workoutsNo equipment required, bodyweight exercises3 difficulty levels for abs workouts
💪 Health & Fitness
(14K)
subscription
10
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
Calculate your ideal weight
Free

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.

Instant BMI calculation with animated gaugePersonalized health insightsIdeal weight recommendations
💪 Health & Fitness
(27K)
free with in-app purchases
11
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

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.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
12
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
BMI Calculator for Weight Loss
Body Mass Index & Ideal Weight
Free

Calculate your Body Mass Index (BMI) and ideal weight with this easy-to-use tool. Track your BMI to support weight loss efforts. Ideal for both men and women.

BMI calculationIdeal weight calculationWeight loss tracking support
💪 Health & Fitness
(1.7K)
ad-supported
13
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BMI, BMR & Body Fat Calculator
BodyFat Percentage, TDEE, EER
Free

Calculate key body metrics like BMI, BMR, and body fat percentage. Track progress with charts, access diet plans, recipes, and fitness blogs for a holistic approach to health.

BMI, BMR, and Body Fat calculationIdeal Body Weight and Daily Water Intake trackingDiet plans and recipes
💪 Health & Fitness
(333)
free with in-app purchases
14
Plixi: Body Fat Calculator
Plixi: Body Fat Calculator
Plixi: Body Fat Calculator
Calculate with caliper
Free

This app assists in calculating body fat percentage using caliper measurements. It supports multiple body density and body fat percentage formulas, allowing for customizable calculations and patient profile management.

Body fat percentage calculationMultiple body density formulasMultiple body fat percentage formulas
💪 Health & Fitness
(69)
free with in-app purchases
15
Six Pack in 30 Days - 6 Pack
Six Pack in 30 Days - 6 Pack
Six Pack in 30 Days - 6 Pack
Core, Abs & Home Workout
Free

Achieve toned abs and lose belly fat with a home workout planner. Offers daily routines for all levels, requiring no equipment. Get your dream six-pack in 30 days with guided exercises.

30-day workout routinesBeginner to advanced levelsNo equipment needed
💪 Health & Fitness
(37K)
subscription
16
Body Editor Booth Thin & Slim
Body Editor Booth Thin & Slim
Body Editor Booth Thin & Slim
Make me skinny or fat in photo
Free

Easily alter your body shape in photos, making yourself or others appear thinner or larger. This app offers tools to adjust various body parts, retouch skin, and even remove unwanted objects. Experiment with different looks and share your creations.

Slim or fat body transformationAdjust waist, thighs, arms, and buttocksFacial feature modification
📷 Photo & Video
(26K)
freemium
17
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
BMI Calculator + Weight Loss
Lose weight. Improve your BMI.
Free

This app helps users achieve their weight and body goals through a comprehensive suite of tracking and analysis tools. It offers a BMI calculator, weight diary, and detailed body measurements to visualize progress and stay motivated on the journey to better health.

Professional BMI CalculatorSmart Weight TrackerBody Data Analytics
💪 Health & Fitness
(1.6K)
free with in-app purchases
18
Fitdays
Fitdays
Fitdays
by GUANGDONG ICOMON TECHNOLOGY CO., LTD
Free

Record and track family weight data with a smart scale. Visualize progress with charts and reports, and sync with Apple Health. Supports up to 24 users for comprehensive family fitness monitoring.

Record family weight dataConnect to smart weight scaleChart and report display
💪 Health & Fitness
(487)
free
19
Body Fat Calculator (PRO)
Body Fat Calculator (PRO)
Body Fat Calculator (PRO)
Your Body Fat Expert
Free

Calculate body fat percentage using various scientifically validated methods. Offers both free and advanced PRO options for detailed analysis. Supports multiple measurement tools and units for personalized tracking.

Multiple scientific calculation methodsSkinfold and circumference measurementsMetric/Imperial unit conversion
💪 Health & Fitness
(0)
free with in-app purchases
20
Bodyfat Tracker
Bodyfat Tracker
Bodyfat Tracker
Track bodyfat to lose weight
Free

Easily track your body fat percentage and other key metrics to support weight loss or muscle building goals. Simply input your waist measurement and weight to monitor progress over time with detailed charts and customizable goals.

Body fat percentage trackingWaist to Height Ratio (WHR) calculationBMI calculation for comparison
💪 Health & Fitness
(4)
freemium

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