Best Weight Loss Diary Apps

225+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Looking for free weight loss diary apps? 20 of our 225+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Weight Loss Diary

Weight Diary Lite#1

Weight Diary Lite by CURLYBRACE APPS LTD

daily weight loss tracker
Editor's Choice
💪 Health & Fitness
4.8😊(6.9K ratings)
FreeAds
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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
Casual dieting#2

Casual dieting by UNITED, Inc.

Strong Contender
💪 Health & Fitness
4.8😊(3.7K ratings)
FreeAdsIn-App Purchases
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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
Happy Scale#3

Happy Scale by Front Pocket Software LLC

Gewichtsverlustsverfolgung
Worth Considering
💪 Health & Fitness
4.9😊(57K ratings)
FreeIn-App Purchases
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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
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight Tracker
Free

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

AI Food TrackerCalorie and Macro TrackingWater Intake Monitoring
💪 Health & Fitness
(2.3M)
free with in-app purchases
5
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Day One: Daily Journal & Diary
Private Gratitude Journaling
Free

Record your life with a private digital journal. Securely save text, photos, audio, and video. Features include reminders, prompts, and automatic data import to help you stay consistent and reminisce.

Unlimited text entriesRich text formattingPhoto and video support
💪 Health & Fitness
(117K)
freemium
6
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(157K)
freemium
7
WeightWatchers Program
WeightWatchers Program
WeightWatchers Program
Weight Loss and Better Health
Free

This app offers a science-backed weight loss tracker and personalized diet plans. It includes specialized support for weight-loss medications, AI-powered progress tracking beyond the scale, and flexible tools for various weight management goals. Connect with coaches and a supportive community for lasting results.

Personalized diet plansWeight-loss medication supportAI body scanner
💪 Health & Fitness
(2.4M)
free with in-app purchases
8
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
(24K)
subscription
9
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
(763K)
free with in-app purchases
10
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
11
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Track Food GLP-1 Macro Calorie
Free

This app helps users achieve weight loss through personalized plans, easy food tracking, and a supportive community. It offers features like barcode scanning, recipe building, and integration with health devices. A premium option also combines medication support for enhanced results.

Personalized weight loss plansEasy food tracking (barcode scanner, search)Recipe builder
💪 Health & Fitness
(90K)
free with in-app purchases
12
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Value Diary - Weight Loss Diet
Food, Exercise, Weight Tracker
Free

This app helps you achieve your weight loss goals by providing personalized diet plans, easy food tracking with a barcode scanner, and progress monitoring. It supports various diet types and integrates with fitness trackers.

Personalized weight loss plansFood and exercise trackingBarcode scanner for food items
💪 Health & Fitness
(3.6K)
free with in-app purchases
13
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
14
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Healthy Nutrition & Meal Plan
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
(867K)
free with in-app purchases
15
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Food & Macro Counter
Free

This app helps you achieve your fitness goals by tracking your calorie and macronutrient intake. Simply answer lifestyle questions to create a personalized plan, then snap photos of your meals for an instant nutritional breakdown. It aims to simplify dieting and empower users with the tools and information needed to succeed.

Personalized lifestyle plan creationMeal photo nutritional analysisCalorie and macro tracking
💪 Health & Fitness
(337K)
freemium
16
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Build a Healthy Body for Life
Free

This app offers personalized weight loss plans, real-time nutrition analysis via photo, and AI-driven coaching. It focuses on making healthy habits fun and sustainable without extreme restrictions or calorie counting.

AI weight loss coachingPhoto-based nutrition analysisPersonalized workout plans
💪 Health & Fitness
(384K)
free with in-app purchases
17
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
(2.1K)
freemium
18
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
WeightDrop Weight Loss Tracker
Health Journal, Log & Diary
Free

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.

Clever App SetupQuick & Easy Weight AddingWeight History & Editing
💪 Health & Fitness
(3.4K)
free with in-app purchases
19
Weigh In: Weight Tracker
Weigh In: Weight Tracker
Weigh In: Weight Tracker
The simple weight tracker
Free

Easily monitor your weight progress with this straightforward tracker. Log your weight regularly, set personal goals, and visualize your journey with customizable graphs. Personalize your experience with themes and icons, and integrate with the iOS Health app.

Track weight loss or gainSet target weightAdd notes to weigh-ins
💪 Health & Fitness
(585)
free
20
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Intermittent Fasting & Diet
Free

This app combines intermittent fasting timers with a smart nutrition toolkit to help you lose weight. It features AI-powered meal scanning to estimate calories and macros, personalized fasting plans, and insights into your body's metabolic stages. Track your progress, mood, and energy levels to optimize your health journey.

AI-powered meal scanning for calorie and macro estimationFlexible intermittent fasting timer with personalized plansBody stage tracking (Ketosis, Autophagy)
💪 Health & Fitness
(9.3K)
free with in-app purchases