Best Body Fat Journal Apps

207+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

From beginner-friendly picks to power-user tools, our body fat journal list covers 207+ iPhone apps updated through May 2026. Compare ratings, prices, and screenshots in one place.

Compare top Body Fat Journal Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1WeightDrop Weight Loss TrackerWeightDrop Weight Loss TrackerFree4.7★ (3.4K)YesYesJul 2026
2MeThreeSixty: 3D Body Scan・BMIMeThreeSixty: 3D Body Scan・BMIFree4.7★ (18K)YesYesJul 2026
3AteMate Food Journal: AI CoachAteMate Food Journal: AI CoachFree4.8★ (10K)NoYesJul 2026
4Weight Journal BMI FeeltrackerWeight Journal BMI FeeltrackerFree4.8★ (96)NoYesJul 2026
5RENPHO HealthRENPHO HealthFree4.7★ (7.2K)NoNoJul 2026
6Progress Body Tracker: My BMIProgress Body Tracker: My BMIFree4.6★ (9.2K)NoYesJul 2026
7FITINDEXFITINDEXFree3.4★ (817)NoNoJul 2026
8Food Diary See How You Eat LogFood Diary See How You Eat LogFree4.7★ (7.7K)YesYesJul 2026

Top Picks for Body Fat Journal

WeightDrop Weight Loss Tracker#1

WeightDrop Weight Loss Tracker by VisualHype GmbH

Health Journal, Log & Diary
Editor's Choice
💪 Health & Fitness
4.7😊(3.4K ratings)
FreeAdsIn-App Purchases
WeightDrop Weight Loss Tracker screenshot 1
WeightDrop Weight Loss Tracker screenshot 2
WeightDrop Weight Loss Tracker screenshot 3
WeightDrop Weight Loss Tracker screenshot 4

This app helps you track your weight journey, whether you aim to lose or gain. It offers a simple interface for daily logging, history review, and progress visualization towards your goals. Features include reminders, unit support, and integration with health platforms.

What We Love

  • 👍 Easy to use
  • 📊 Helpful visual tracking
  • 🔄 Daily weight reminders
  • 💪 Motivating to see progress

Room to Improve

  • 🔢 Rounding issues with weight input
  • 🗓️ Can't adjust start date
  • 🤖 Outdated UI/UX
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
AteMate Food Journal: AI Coach#3

AteMate Food Journal: AI Coach by Piqniq Inc.

Photo Diary, Habits & Sleep
Worth Considering
💪 Health & Fitness
4.8😊(10K ratings)
FreeIn-App Purchases
AteMate Food Journal: AI Coach screenshot 1
AteMate Food Journal: AI Coach screenshot 2
AteMate Food Journal: AI Coach screenshot 3
AteMate Food Journal: AI Coach screenshot 4
AteMate Food Journal: AI Coach screenshot 5
AteMate Food Journal: AI Coach screenshot 6

This app helps you build healthier habits by reflecting on your daily food, movement, sleep, hydration, and mood. It uses AI to analyze your journal entries and provide personalized insights, making progress sustainable without strict rules or judgment.

What We Love

  • 👍 Easy to use
  • 🚀 Quick and simple to log meals
  • 💡 Focuses on mindful eating, not calorie counting
  • 👍 Visually appealing interface

Room to Improve

  • 🐛 Subscription required, not clear from app description
  • 🐛 Inability to edit meal details after logging
  • 💡 Limited options for recording emotions/feelings about meals

More Body Fat Journal apps to explore

4
Weight Journal BMI Feeltracker
Weight Journal BMI Feeltracker
Weight Journal BMI Feeltracker
BMI Body Fat Diet Gym AI Diary
Free

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.

AI-powered camera scanning for weight and foodPersonalized AI chat and voice coachingTrack weight, body fat percentage, and BMI
💪 Health & Fitness
(96)
free with in-app purchases
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
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
7
FITINDEX
FITINDEX
FITINDEX
For FITINDEX Scale
Free

This app tracks various body composition metrics like BMI, body fat, and muscle mass. It provides cloud-based data analysis and reports, allowing families to monitor their health together. Data can be synchronized with HealthKit for a comprehensive health overview.

Body composition tracking (BMI, body fat, muscle mass)Cloud-based data analysis and reportsFamily sharing for multiple users
💪 Health & Fitness
(817)
free
8
Food Diary See How You Eat Log
Food Diary See How You Eat Log
Food Diary See How You Eat Log
Diet Tracker, Meal Journal, AI
Free

This app helps you track your meals visually and build healthier eating habits without calorie counting. Log meals with photos, receive reminders, and gain insights into your eating patterns to feel more energetic and mindful.

Log meals with photosDaily meal overviewMeal reminders
💪 Health & Fitness
(7.7K)
free with in-app purchases
9
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
(2K)
free
10
Happy Scale
Happy Scale
Happy Scale
Gewichtsverlustsverfolgung
Free

This app helps you understand your weight loss journey by analyzing scale fluctuations. It smooths out daily variations to reveal your true progress, predict future weights, and break down goals into manageable milestones.

See true progress with mathematical analysisSmooth out weigh-in fluctuationsPredict future weight
💪 Health & Fitness
(57K)
subscription
11
InBody
InBody
InBody
by InBody Co., Ltd.
Free

Track your body composition, blood pressure, and daily activity to understand your overall health. Sync with devices to monitor progress and set fitness goals.

Body composition analysisBlood pressure monitoringActivity and nutrition logging
💪 Health & Fitness
(1.8K)
free
12
arboleaf
arboleaf
arboleaf
For Arboleaf Smart Scale
Free

Track your body composition and weight loss progress with this smart scale companion app. It syncs data from compatible scales to provide detailed insights and helps you set and achieve fitness goals. Integrates with popular health platforms for a holistic view of your well-being.

Body weight trackingBody fat percentageBMI calculation
💪 Health & Fitness
(17)
free with in-app purchases
13
Bodymapp - At home body scans
Bodymapp - At home body scans
Bodymapp - At home body scans
Body composition tracker
Free

Track your body composition and fitness progress from home using your iPhone. Generate 3D body scans to monitor changes in over 20 metrics like body fat and muscle mass. Receive personalized recommendations to guide your health journey.

3D body scansBody composition trackingOver 20 health metrics
💪 Health & Fitness
(143)
free with in-app purchases
14
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
15
Weight loss tracker - BMI
Weight loss tracker - BMI
Weight loss tracker - BMI
Daily weight loss tracker
Free

Monitor your weight and calculate your BMI with this user-friendly app. Log daily measurements, add notes, pictures, and track your progress with charts. Set goals and stay motivated on your health journey.

Daily weight loggingBMI calculationProgress charts
💪 Health & Fitness
(1K)
ad-supported
16
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
(7.2K)
free with in-app purchases
17
Body Weight Loss Tracker With Record Chart And Log
Body Weight Loss Tracker With Record Chart And Log
Body Weight Loss Tracker With Record Chart And Log
Monitor Your Weight
Free

Easily monitor your daily body weight with this intuitive tracker. Visualize your progress towards your goals with clear charts and logs. Supports both pounds and kilograms, with helpful reminders to keep you on track.

Daily body weight trackingProgress graph against goalQuick weight recording
💪 Health & Fitness
(204)
free with in-app purchases
18
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
19
trackBod - AI Body Scan
trackBod - AI Body Scan
trackBod - AI Body Scan
Check your body fat percentage
Free

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.

AI body composition analysisBody fat percentage trackingPersonalized fitness insights
💪 Health & Fitness
(1K)
subscription
20
Remeasure Body
Remeasure Body
Remeasure Body
The progress tracker for women
Free

Track your body's progress with detailed measurements and visual feedback. Monitor changes over time with interactive graphs and tables, and utilize built-in calculators for key health metrics. Set personal goals and record daily activities and feelings.

Visual body silhouette for measurement entryInteractive progress graphs and tablesAutomatic health metric calculations (BMI, Body Fat)
💪 Health & Fitness
(1.4K)
free with in-app purchases

FAQ about Body Fat Journal

What are the best body fat journal apps for iPhone?
WeightDrop Weight Loss Tracker tops our body fat journal apps ranking as of May 2026, with a 4.7-star average from 3.4K 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 WeightDrop Weight Loss Tracker and MeThreeSixty: 3D Body Scan・BMI.
WeightDrop Weight Loss Tracker shows ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 207+ body fat journal apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
WeightDrop is a weight tracking application designed to help users monitor their weight for loss or gain. It provides tools for daily logging, viewing historical data, and setting personal weight goals. The app aims to support users in reaching their desired weight outcomes.
Key features include a clever app setup for initial configuration, quick daily weight adding, a comprehensive weight history with editing capabilities, an ideal weight calculator, weight goal setting, and a visual weight and goal chart. It also offers daily reminders and supports both metric and imperial units.