Best Body Fat Journal Apps

247+ iOS apps curated and reviewed

4.0 avg rating
20 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our body fat journal list covers 247+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Body Fat Journal Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Weight Tracker BMI Food DiaryWeight Tracker BMI Food DiaryFree4.8★ (98)NoYesAug 2026
2Vevazz Food JournalVevazz Food JournalFreeNoNoAug 2026
3Tape-tracker body trackerTape-tracker body trackerFreeNoYesAug 2026
4Body Fat Calculator By FitturBody Fat Calculator By FitturFree4.6★ (955)NoNoAug 2026
5RENPHO HealthRENPHO HealthFree4.7★ (7.2K)NoNoAug 2026
6Body Fat AppBody Fat AppFree4.0★ (1)NoNoMay 2026
7Body Fat Calculator (PRO)Body Fat Calculator (PRO)FreeNoYesJul 2026
8Body Fat ScannerBody Fat ScannerFreeNoYesJul 2026

Top Picks for Body Fat Journal

Weight Tracker BMI Food Diary#1

Weight Tracker BMI Food Diary by Custom Arts

Log Body Fat, Gain & Loss
Editor's Choice
💪 Health & Fitness
4.8(98 ratings)
FreeIn-App Purchases
Weight Tracker BMI Food Diary screenshot 1
Weight Tracker BMI Food Diary screenshot 2
Weight Tracker BMI Food Diary screenshot 3
Weight Tracker BMI Food Diary screenshot 4
Weight Tracker BMI Food Diary screenshot 5
Weight Tracker BMI Food Diary screenshot 6

Effortlessly track your weight, body fat, and nutrition using AI-powered camera scanning. Get personalized coaching and insights to achieve your health goals, whether losing weight or gaining muscle. Features include automated logging, detailed reports, and privacy-focused design.

Tape-tracker body tracker#3

Tape-tracker body tracker by Bread technologies inc

body measurement tracker
Worth Considering
🔧 Utilities
0.0(0 ratings)
FreeIn-App Purchases
Tape-tracker body tracker screenshot 1
Tape-tracker body tracker screenshot 2
Tape-tracker body tracker screenshot 3
Tape-tracker body tracker screenshot 4
Tape-tracker body tracker screenshot 5
Tape-tracker body tracker screenshot 6

Easily track your body measurements and calculate your body fat percentage. This app serves as a comprehensive body log, offering detailed charts and measurement notes. Access to all features requires a subscription.

More Body Fat Journal apps to explore

4
Body Fat Calculator By Fittur
Body Fat Calculator By Fittur
Body Fat Calculator By Fittur
Army & Navy Percentage Tracker
Free

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.

US Navy body fat formula calculation3D body fat image comparisonsVisual comparison for different body shapes
💪 Health & Fitness
(955)
free
5
RENPHO Health
RENPHO Health
RENPHO Health
For Renpho all Scale
Free

Track multiple body composition metrics like BMI, body fat, and muscle mass. This app provides intelligent data analysis and generates shareable charts and reports. It supports multiple user profiles for family use and syncs data with Apple Health.

Track multiple body composition metricsIntelligent data analysis and trackingGenerate shareable charts and reports
💪 Health & Fitness
(7.2K)
free
6
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
7
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
8
Body Fat Scanner
Body Fat Scanner
Body Fat Scanner
AI Body Fat Estimator
Free
💪 Health & Fitness
(0)
9
mybvi: Body Fat Scanner
mybvi: Body Fat Scanner
mybvi: Body Fat Scanner
Body Fat Calculator & Tracker
Free

Analyze your body composition using photos to track changes in body fat, visceral fat, and other key metrics. Set personal goals, monitor hydration and steps, and visualize your progress with photo timelines. This app offers a unique alternative to traditional BMI calculations.

Photo-based body fat analysisTrack visceral fatMeasure waist circumference and ratios
💪 Health & Fitness
(3)
free with in-app purchases
10
Simple Body Scale -BodyMate-
Simple Body Scale -BodyMate-
Simple Body Scale -BodyMate-
Fast weight & fat recording
Free
💪 Health & Fitness
(0)
11
Fit Profile-GE branded scales
Fit Profile-GE branded scales
Fit Profile-GE branded scales
by Global eFit Incorporated
Free

This free app pairs with a smart scale to track comprehensive body composition data, including weight, body fat, and BMI. It helps users monitor fitness progress and set health goals. Data can sync with popular fitness platforms.

Body weight trackingBody fat percentageBMI calculation
💪 Health & Fitness
(3.3K)
free
12
ShapeScale: Body Composition
ShapeScale: Body Composition
ShapeScale: Body Composition
Track Body Fat & Measurements
Free

This app uses a 3D body scanner to provide detailed body composition analysis, including body fat percentage, girth, and volume measurements. Track your progress visually with 3D comparisons and heatmaps, and receive personalized feedback to achieve your fitness goals.

3D Body ScanPersonalized Health & Shape ScoresBody fat percentage and BMI tracking
💪 Health & Fitness
(44)
free
13
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
(1.8K)
free
14
BodyFat AI: Body Fat Scanner
BodyFat AI: Body Fat Scanner
BodyFat AI: Body Fat Scanner
Track progress not just weight
Free

Estimate your body fat percentage with guided photos. Track your progress visually with clear metrics and motivating features like streaks and reminders. Get insights into lean and fat mass to understand your fitness journey.

Estimate body fat percentageTrack lean and fat massGuided photo capture
💪 Health & Fitness
(2)
free with in-app purchases
15
Weight Diary - BMI Calculator
Weight Diary - BMI Calculator
Weight Diary - BMI Calculator
Daily log of body & nutrition
Free

Easily log your weight, body fat percentage, and nutrition to track progress towards your health goals. Visualize your journey with intuitive graphs and a calendar view, and customize the app to suit your needs. Share your progress with others and stay motivated.

Log weight, body fat, nutrition, activity, and moodCalendar view for daily logging overviewGraphs for weekly, monthly, and yearly progress
💪 Health & Fitness
(36)
free with in-app purchases
16
Body Visualizer & Simulator
Body Visualizer & Simulator
Body Visualizer & Simulator
Figa Body Scanner & Fitness
Free

Visualize your fitness journey with a 3D body simulator. See your current physique, projected transformations, and compare yourself to averages. Get personalized nutrition and workout plans based on your measurements and goals.

Realistic 3D body visualizationMetabolic analysis and physique rankingGoal-based transformation simulation
💪 Health & Fitness
(20)
freemium
17
Body Measurement Tracker Log
Body Measurement Tracker Log
Body Measurement Tracker Log
Private body progress tracker
Free

This app helps you monitor your fitness progress by tracking various body measurements and body fat percentage. View your journey through clear graphs and set personal goals. All your data is stored privately on your device.

Track weight, waist, chest, hips, and body fatAdd custom metrics with units and colorsSet and monitor personal fitness goals
💪 Health & Fitness
(82)
free
18
Diurnalis
Diurnalis
Diurnalis
by Edward Huang
Free

A straightforward yet robust journaling application designed for capturing life's moments, including ideas, thoughts, principles, and dreams. It allows for the creation of multiple distinct journals, each capable of storing an unlimited number of entries.

Multiple journal supportUnlimited entries per journalCapture ideas and thoughts
🌟 Lifestyle
(1)
free
19
Body Diary - Daily changes
Body Diary - Daily changes
Body Diary - Daily changes
Record daily changes on body
Free

Track daily body changes beyond just weight, including circumference and physical state. Analyze your data to adjust your plan for safe and healthy progress towards your fitness goals.

Record daily body changesTrack weight, circumference, and physical stateAnalyze data for plan adjustments
💪 Health & Fitness
(2)
free with in-app purchases
20
ScanFit – Food & Body Analysis
ScanFit – Food & Body Analysis
ScanFit – Food & Body Analysis
How food affects your body
Free

This app analyzes your body composition, including body fat and visceral fat, and links it to your meals. It uses AI to weigh food and provides personalized coaching to help you understand and achieve your health goals.

Body composition analysis (body fat, muscle, visceral fat)AI-powered meal weighing and macro trackingPersonalized AI body coaching
💪 Health & Fitness
(10)
free with in-app purchases

FAQ about Body Fat Journal

What are the best body fat journal apps for iPhone?
Weight Tracker BMI Food Diary tops our body fat journal apps ranking as of August 2026, with a 4.8-star average from 98 App Store ratings, and it's free to download.
Yes — 20 of the top body fat journal apps we rank are free to download, including Weight Tracker BMI Food Diary and Vevazz Food Journal.
Weight Tracker BMI Food Diary has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ body fat journal apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Feeltracker uses AI-powered camera scanning to log your weight from your scale and analyze food nutrition instantly. It also offers AI chat and voice coaching for personalized guidance on your health journey.
Feeltracker offers Weekly Premium for $0.99, Monthly Premium for $2.99, and Yearly Premium for $24.99, providing access to advanced AI features.