Best Weight Loss Diary Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Looking for free weight loss diary apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Weight Loss Diary Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Casual dietingCasual dietingFree was $0.994.8★ (2.9K)YesYesAug 2026
2Weight Diary LiteWeight Diary LiteFree4.8★ (7.1K)YesNoAug 2026
3Happy ScaleHappy ScaleFree4.9★ (58K)NoYesAug 2026
4My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesAug 2026
5Weight Loss Simple Tracker AppWeight Loss Simple Tracker AppFree4.7★ (2.2K)YesYesAug 2026
6Weight Tracker - Weight DiaryWeight Tracker - Weight DiaryFree4.0★ (2)NoYesAug 2026
7PEP : Body diary - weight lossPEP : Body diary - weight lossFreeNoYesAug 2026
8Weight Loss Tracker: PeriscopeWeight Loss Tracker: PeriscopeFreeNoNoJul 2026

Top Picks for Weight Loss Diary

Casual dieting#1

Casual dieting by UNITED, Inc.

Editor's Choice
💪 Health & Fitness
4.8😊(2.9K ratings)
FreeAdsIn-App Purchases
Casual dieting screenshot 1
Casual dieting screenshot 2
Casual dieting screenshot 3
Casual dieting screenshot 4
Casual dieting screenshot 5

This weight management app uses charming Japanese illustrations to support your journey. Track your weight, body fat, and meals with a comprehensive journal featuring over 100 unique stickers. Unlock more stickers and use them as wallpapers to stay motivated.

What We Love

  • 💎 Minimalistic Design
  • 💕 Cute Stickers and Wallpapers
  • 🔒 Password Protection
  • 📈 Helpful Graphs and Tracking

Room to Improve

  • 🐛 Occasional Bugs and Glitches
  • 💢 Annoying Ads and Password Prompts
  • 🔢 Limited Customization Options
Weight Diary Lite#2

Weight Diary Lite by CURLYBRACE APPS LTD

daily weight loss tracker
Strong Contender
💪 Health & Fitness
4.8😊(7.1K ratings)
FreeAds
Weight Diary Lite screenshot 1
Weight Diary Lite screenshot 2
Weight Diary Lite screenshot 3
Weight Diary Lite screenshot 4

Track your weight loss journey with this intuitive app. It helps you monitor daily weight entries, visualize progress with a trend line, and estimate time to reach your goals without calorie counting. Includes calculators for goals and calories, plus privacy features.

What We Love

  • 👍 Simple and easy to use
  • 📊 Helpful visual graphs and trends
  • 🎯 Effective for tracking weight loss/gain
  • 💪 Motivating and encouraging

Room to Improve

  • 🐛 Occasional data loss or reset issues
  • 🔍 Limited features compared to paid version
  • 💰 Ads can be intrusive in free version
Happy Scale#3

Happy Scale by Front Pocket Software LLC

Weight Loss Tracker
Worth Considering
💪 Health & Fitness
4.9😊(58K ratings)
FreeIn-App Purchases
Happy Scale screenshot 1
Happy Scale screenshot 2
Happy Scale screenshot 3
Happy Scale screenshot 4
Happy Scale screenshot 5
Happy Scale screenshot 6

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.

What We Love

  • 👍 Excellent weight loss support tool
  • 👍 Motivating and engaging to track weight
  • 👍 Provides great insights and predictions
  • 👍 Smooths out weight fluctuations

Room to Improve

  • 🐛 Reminders don't work for some users
  • 💰 Subscription model is expensive for some

More Weight Loss Diary apps to explore

4
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
Food tracker, calorie counter
Free

This app helps you lose weight by tracking your calorie intake and macronutrients. It offers a food diary, various diet plans, recipes, and daily recaps to guide your journey. Integrate with health apps for a comprehensive view of your progress.

Daily food diaryMacro trackerCalorie counting
💪 Health & Fitness
(25K)
subscription
5
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Weight Loss Simple Tracker App
Track daily goals & motivation
Free

This app helps users track their weight loss journey by recording daily weight, body fat percentage, and BMI. It offers visual progress tracking with graphs and avatar changes, along with reminders and notes to stay motivated. Premium features include an ad-free experience, data backup, and enhanced customization options.

Record weight and body fat percentageAutomatic BMI calculationAvatar changes with BMI level
💪 Health & Fitness
(2.2K)
freemium
6
Weight Tracker - Weight Diary
Weight Tracker - Weight Diary
Weight Tracker - Weight Diary
The simple weight loss tracker
Free

Easily record, track, and analyze your weight progress with this intuitive application. It offers a stylish interface, dark mode, and the ability to share your logs with friends. No sign-up is required to start managing your weight journey.

Record weight logsTrack weight progressAnalyze weight information
💪 Health & Fitness
(2)
freemium
7
PEP : Body diary - weight loss
PEP : Body diary - weight loss
PEP : Body diary - weight loss
Calorie tracker for your diet
Free

Track your body changes, set personal fitness goals, and monitor your progress towards your ideal physique. Securely store your measurements and view transformations over time. Syncs with Apple Health for weight and waist size data.

Body change trackingPersonal goal settingBody transformation visualization
💪 Health & Fitness
(0)
free with in-app purchases
8
Weight Loss Tracker: Periscope
Weight Loss Tracker: Periscope
Weight Loss Tracker: Periscope
Monitor Your Scale
Free
💪 Health & Fitness
(0)
9
Weight Diary BMI Tracker Log
Weight Diary BMI Tracker Log
Weight Diary BMI Tracker Log
Track Weight & BMI Graph
Free
💪 Health & Fitness
(0)
10
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Healthy Habits, Meals & GLP-1s
Free

This app helps users build lasting healthy habits for weight loss and improved well-being. It offers AI-powered food logging, step tracking, personalized plans, and access to coaching and medication options. The program is rooted in psychology and backed by science to support sustainable lifestyle changes.

AI food logging with calorie & macro trackingStep tracking & rewardsPersonalized meal plans & recipes
💪 Health & Fitness
(870K)
free with in-app purchases
11
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

Calorie trackingWeight loss planningAI voice meal logging
💪 Health & Fitness
(773K)
free with in-app purchases
12
Weight Loss Tracker 2025
Weight Loss Tracker 2025
Weight Loss Tracker 2025
Losing weight by tracking
Free
💪 Health & Fitness
(0)
13
WeightLog: Weight Loss Tracker
WeightLog: Weight Loss Tracker
WeightLog: Weight Loss Tracker
Visualize progress
Free
💪 Health & Fitness
(0)
14
Weight Loss Tracker: BMI Log
Weight Loss Tracker: BMI Log
Weight Loss Tracker: BMI Log
Great support on weight loss
Free
💪 Health & Fitness
(0)
15
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
16
TadaPal: Easy Weight Loss Pal
TadaPal: Easy Weight Loss Pal
TadaPal: Easy Weight Loss Pal
Lose Weight Together With Tada
Free

This app supports individuals struggling with fat loss, consistency, and healthy habits. It offers emotional encouragement, structured tools, and comprehensive tracking for calories, water, weight, and mood. It aims to build sustainable habits and confidence for a healthy lifestyle.

Calorie and meal trackingWater intake trackingWeight trend monitoring
💪 Health & Fitness
(1.6K)
free with in-app purchases
17
ControlMyWeight
ControlMyWeight
ControlMyWeight
Weight Loss Calorie Counter
Free

Track your food intake and exercise to achieve your weight goals. This app offers a comprehensive food database, barcode scanning, and progress charts to help you manage weight loss, gain, or maintenance. It supports offline use and detailed nutritional tracking.

Personalized calorie and workout targetsAccurate food databaseBarcode scanner
💪 Health & Fitness
(24K)
free with in-app purchases
18
WeightTracker - Loss Diary
WeightTracker - Loss Diary
WeightTracker - Loss Diary
Diet, Workout & Weight Daily
Free
💪 Health & Fitness
(0)
19
Caaals: calorie & food diary
Caaals: calorie & food diary
Caaals: calorie & food diary
A calmer way to lose weight.
Free
💪 Health & Fitness
(0)
20
Found – Weight Care
Found – Weight Care
Found – Weight Care
Weight care, your way
Free

This app offers a personalized weight care program designed to help users achieve sustainable results. It facilitates communication with a health coach, tracks daily routines, and provides support for navigating lifestyle changes and challenges.

Personalized care programDaily updates with health coachTrack routines and reflections
💪 Health & Fitness
(8.8K)
ad-supported

FAQ about Weight Loss Diary

What are the best weight loss diary apps for iPhone?
Casual dieting tops our weight loss diary apps ranking as of August 2026, with a 4.8-star average from 2.9K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss diary apps we rank are free to download, including Casual dieting and Weight Diary Lite.
Casual dieting shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ weight loss diary apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you manage your weight through a combination of tracking and journaling. It features cute Japanese illustrations that change based on your weight progress, providing a more engaging and less discouraging experience than traditional apps. You can log your weight, body fat, meals, and daily happenings.
Key features include cute, dynamic illustrations on graphs that adapt to your weight changes, a comprehensive journal function for tracking weight, body fat, meals, and daily events, and over 100 unique stickers to personalize your journal entries. You can also use these stickers as downloadable wallpapers.