Best Weight Tracking App Diet

245+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Whether you're new to weight tracking app diet or looking for an upgrade, our curated collection of 245+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Weight Tracking App Diet (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Healthi: Weight Loss, Diet AppHealthi: Weight Loss, Diet AppFree4.8★ (90K)YesYesAug 2026
2Formula - weight loss diet appFormula - weight loss diet appFree4.5★ (33K)NoYesAug 2026
3WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesAug 2026
4Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesAug 2026
5My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesAug 2026
6Noom Weight Loss, Food TrackerNoom Weight Loss, Food TrackerFree4.7★ (869K)NoYesAug 2026
7Weigh In: Weight TrackerWeigh In: Weight TrackerFree4.7★ (585)NoNoJul 2026
8Monitor Your WeightMonitor Your WeightFree4.8★ (23K)YesYesAug 2026

Top Picks for Weight Tracking App Diet

Healthi: Weight Loss, Diet App#1

Healthi: Weight Loss, Diet App by Sunshine Health Studios

Track Food GLP-1 Macro Calorie
Editor's Choice
💪 Health & Fitness
4.8😐(90K ratings)
FreeAdsIn-App Purchases
Healthi: Weight Loss, Diet App screenshot 1
Healthi: Weight Loss, Diet App screenshot 2
Healthi: Weight Loss, Diet App screenshot 3
Healthi: Weight Loss, Diet App screenshot 4
Healthi: Weight Loss, Diet App screenshot 5
Healthi: Weight Loss, Diet App screenshot 6

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.

What We Love

  • 🚀 Excellent value
  • 👍 Great app and easy to use
  • 👍 Helpful for weight loss
  • 👍 Flexible with diet plan options

Room to Improve

  • 🐛 Buggy and glitchy
  • 🔍 Limited food database, especially for non-US users
  • 💰 In-app purchases required for full functionality
Formula - weight loss diet app#2

Formula - weight loss diet app by FJOR NUTRITION, INC.

Anti-Inflammatory, Cortisol
Strong Contender
💪 Health & Fitness
4.5😐(33K ratings)
FreeIn-App Purchases
Formula - weight loss diet app screenshot 1
Formula - weight loss diet app screenshot 2
Formula - weight loss diet app screenshot 3
Formula - weight loss diet app screenshot 4
Formula - weight loss diet app screenshot 5

This app guides you through various specialized diets like Carnivore, Mediterranean, Anti-Inflammatory, and Cortisol Detox. It offers recipe libraries, meal tracking via voice or barcode, and expert support to help you achieve your health goals.

What We Love

  • 💰 Cost-effective
  • 🚀 Easy to use
  • 📊 Helpful tracking features
  • 🍔 Useful recipes and meal ideas

Room to Improve

  • 🐛 Buggy and glitchy
  • 💰 Overpriced
  • 🤔 Lack of personalization
WeightWatchers Program#3

WeightWatchers Program by WW International, Inc.

Weight Loss and Better Health
Worth Considering
💪 Health & Fitness
4.8😊(2.4M ratings)
FreeAdsIn-App Purchases
#23in Health & Fitness
WeightWatchers Program screenshot 1
WeightWatchers Program screenshot 2
WeightWatchers Program screenshot 3
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WeightWatchers Program screenshot 5
WeightWatchers Program screenshot 6

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.

What We Love

  • 🚀 Biggest little helper ever
  • 🚀 Tracking made easy
  • 👍 Keeps me accountable
  • 👍 Motivating

Room to Improve

  • 🐛 Bugs and glitches
  • 🐛 Inconsistent food database
  • 🐛 Difficulty finding/adding foods

More Weight Tracking App Diet apps to explore

4
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

This app acts as your personal keto coach, offering a powerful macro tracker with hundreds of recipes and diet tips. Easily log food using voice recognition or a barcode scanner, and receive a custom weight loss plan to reach your goals faster.

Automatic macro calculatorCarb and calorie counterPersonalized weight loss plan
💪 Health & Fitness
(82K)
free with in-app purchases
5
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
6
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
(869K)
free with in-app purchases
7
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
8
Monitor Your Weight
Monitor Your Weight
Monitor Your Weight
Track weight & body measures
Free

Track your weight and body measurements to achieve your fitness goals. This app offers detailed statistics, personalized ideal weight suggestions, and the ability to manage multiple profiles. It supports various units and integrates with digital scales and HealthKit.

Track single or multiple profilesTrack body measurementsCalculate ideal weight
💪 Health & Fitness
(23K)
free with in-app purchases
9
Happy Scale
Happy Scale
Happy Scale
Weight Loss Tracker
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
(58K)
subscription
10
Diet & Meal Planner by GetFit
Diet & Meal Planner by GetFit
Diet & Meal Planner by GetFit
Calorie counter, food tracker
Free

This app offers personalized meal plans and a calorie counter to help users lose weight naturally. It includes a food tracker, nutrition scanner, healthy recipes, and motivational tools to support a healthy lifestyle.

Personalized diet plansCalorie counterFood logging and diary
💪 Health & Fitness
(6.2K)
subscription
11
Nutrition Coach: Food tracker
Nutrition Coach: Food tracker
Nutrition Coach: Food tracker
Calorie Counter & Meal Planner
Free

This app helps you achieve your weight goals through sustainable calorie tracking, personalized meal plans, and delicious recipes. It focuses on long-term results by allowing you to eat what you like, including cheat meals, while meeting your daily calorie objectives. Track your progress, learn about nutrition, and sync with other health apps for a comprehensive approach.

Calorie tracking with extensive food databaseCustomized meal plansBarcode scanning for food tracking
💪 Health & Fitness
(88K)
subscription
12
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
(769K)
free with in-app purchases
13
Weight Diary Lite
Weight Diary Lite
Weight Diary Lite
daily weight loss tracker
Free

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.

Daily weight trackingProgress trend line visualizationGoal and calorie calculators
💪 Health & Fitness
(6.9K)
ad-supported
14
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Diet Tracker for Weight Loss
Free

This app acts as your personal nutritionist, offering a personalized nutrition plan and helping you track your daily intake. It features an AI-powered camera for instant food recognition, tailored recipes, and progress monitoring to help you achieve your health and wellness goals.

AI Calorie Tracker with Instant Food Recognition CameraPersonalized Nutrition Plans by ExpertsTailored Recipes for Healthy Eating
💪 Health & Fitness
(16K)
freemium
15
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Calorie & Macro Tracker
Free

This app helps you achieve your health and fitness goals with personalized nutrition tracking, exercise guidance, and healthy recipes. It offers tools to calculate macros, log meals, scan barcodes, track water intake, and follow workout videos. Create a step-by-step program for sustainable habit building.

Macro calculator for personalized nutritionFood and nutrition loggingBarcode scanner for packaged foods
💪 Health & Fitness
(1.5K)
free with in-app purchases
16
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Lose weight with psychology
Free

Achieve your weight loss goals with a psychology-based approach. This app offers a comprehensive course, calorie and macro tracking, intermittent fasting support, and a step counter to build healthy habits and ensure long-term success.

Psychology-based weight loss courseCalorie and macro trackingBarcode food scanner
💪 Health & Fitness
(33K)
free with in-app purchases
17
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
(3.9K)
free with in-app purchases
18
Calorie Counter: Food Tracker™
Calorie Counter: Food Tracker™
Calorie Counter: Food Tracker™
Diet Control for Loss Weight
Free
🌟 Lifestyle
(0)
19
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Healthify: AI Calorie Tracker
Weight loss, diet, fitness app
Free

This app simplifies your health journey with AI-powered tools for weight loss, nutrition, and fitness. Track calories by photo or voice, log meals, and receive personalized AI insights and coaching. Monitor water intake, sleep, weight, and workouts for data-driven decisions.

AI calorie tracking with photosVoice-based meal loggingPersonalized AI insights and actionables
💪 Health & Fitness
(6K)
free with in-app purchases
20
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

FAQ about Weight Tracking App Diet

What is the best weight tracking app diet for iPhone?
Healthi: Weight Loss, Diet App tops our weight tracking app diet ranking as of August 2026, with a 4.8-star average from 90K App Store ratings, and it's free to download.
Yes — 20 of the top weight tracking app diet we rank are free to download, including Healthi: Weight Loss, Diet App and Formula - weight loss diet app.
Healthi: Weight Loss, Diet App shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ weight tracking app diet on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Healthi is a comprehensive app designed to help users achieve their weight loss goals. It provides personalized weight loss plans, simplifies food tracking through features like barcode scanning and a vast food database, and fosters a supportive community for users to share progress and find inspiration.
Key features include 6 personalized weight loss plans, easy tracking of BITES, calories, and macros, a barcode scanner for over a million products, a recipe builder, and access to a community of users and coaches. Pro features include an extensive recipe database, restaurant menu tracking, and integration with health devices.