Best Weight Loss And Diet Tracking App

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

Looking for free weight loss and diet tracking app? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Weight Loss And Diet Tracking App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.4M)YesYesAug 2026
2WeightWatchers ProgramWeightWatchers ProgramFree4.8★ (2.4M)YesYesAug 2026
3Lose It! – Calorie CounterLose It! – Calorie CounterFree4.8★ (774K)YesYesAug 2026
4My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesAug 2026
5Noom Weight Loss, Food TrackerNoom Weight Loss, Food TrackerFree4.7★ (871K)NoYesAug 2026
6Calorie Counter - MyNetDiaryCalorie Counter - MyNetDiaryFree4.8★ (162K)NoYesAug 2026
7Simple Weight - Weight LossSimple Weight - Weight LossFree4.6★ (85)YesYesAug 2026
8Happy ScaleHappy ScaleFree4.9★ (58K)NoYesAug 2026

Top Picks for Weight Loss And Diet Tracking App

MyFitnessPal: Calorie Counter#1

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Workout & AI Nutrition Tracker
Editor's Choice
💪 Health & Fitness
4.7😐(2.4M ratings)
FreeAdsIn-App Purchases
#1in Health & Fitness
MyFitnessPal: Calorie Counter screenshot 1
MyFitnessPal: Calorie Counter screenshot 2
MyFitnessPal: Calorie Counter screenshot 3
MyFitnessPal: Calorie Counter screenshot 4
MyFitnessPal: Calorie Counter screenshot 5
MyFitnessPal: Calorie Counter screenshot 6

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.

What We Love

  • 💪 Effective for weight loss/healthy eating
  • 🔍 Extensive food database
  • 📊 Helpful tracking and progress features
  • 🤝 Social features and community support

Room to Improve

  • 🐛 Buggy and glitchy app performance
  • 💰 Aggressive push for premium subscription
  • 📋 Inaccurate food data and calculations
WeightWatchers Program#2

WeightWatchers Program by WW International, Inc.

Weight Loss and Better Health
Strong Contender
💪 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
WeightWatchers Program screenshot 4
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
Lose It! – Calorie Counter#3

Lose It! – Calorie Counter by FitNow

Food Tracker for Weight Loss
Worth Considering
💪 Health & Fitness
4.8😊(774K ratings)
FreeAdsIn-App Purchases
#20in Health & Fitness
Lose It! – Calorie Counter screenshot 1
Lose It! – Calorie Counter screenshot 2
Lose It! – Calorie Counter screenshot 3
Lose It! – Calorie Counter screenshot 4
Lose It! – Calorie Counter screenshot 5
Lose It! – Calorie Counter screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive food database
  • 💡 Helpful for weight loss
  • 🚀 Syncs with fitness trackers

Room to Improve

  • 🐛 Inaccurate calorie/nutrition data
  • 💰 Paywall for basic features
  • 📢 Intrusive ads and upselling

More Weight Loss And Diet Tracking App 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
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
(871K)
free with in-app purchases
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
(162K)
freemium
7
Simple Weight - Weight Loss
Simple Weight - Weight Loss
Simple Weight - Weight Loss
Simple Weight Loss Tracker
Free

Easily track your daily weight and body fat percentage with this intuitive tool. Visualize your progress with interactive graphs, record notes, and secure your data with passcode protection. Integrates with health apps for seamless data syncing.

Daily weight and body fat recordingInteractive progress graphsBMI calculation and indication
💪 Health & Fitness
(85)
free with in-app purchases
8
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
9
BitePal: Food Calorie Tracker
BitePal: Food Calorie Tracker
BitePal: Food Calorie Tracker
AI scan meals. Track nutrition
Free

This app simplifies food tracking with an AI scanner that analyzes your meals from photos. It offers a fun, gamified experience with a customizable character to help you build healthy habits and achieve your weight goals.

AI food scanner from photosEffortless meal loggingCalorie, water, and fasting tracking
💪 Health & Fitness
(54K)
free with in-app purchases
10
BettrShape: My Weight Loss
BettrShape: My Weight Loss
BettrShape: My Weight Loss
Personalized Weight Loss Plan
Free
💪 Health & Fitness
(0)
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
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
13
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
14
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
(7.1K)
ad-supported
15
Kind Scale: Weight Journal
Kind Scale: Weight Journal
Kind Scale: Weight Journal
Calm & Private Weight Tracking
Free
💪 Health & Fitness
(0)
16
LiteLin: Weight Loss Tracker
LiteLin: Weight Loss Tracker
LiteLin: Weight Loss Tracker
Track Weight, BMI & Fasting
Free

This app offers a visually appealing and user-friendly way to track weight, BMI, and intermittent fasting. It prioritizes privacy with no social features and provides secure data locking. Seamless integration with Apple Health and iCloud ensures your data is always accessible.

Beautifully designed interfaceWeight and BMI trend chartsIntermittent fasting plans (16:8, 20:4)
💪 Health & Fitness
(4)
free with in-app purchases
17
Calobee: AI Calorie Tracker
Calobee: AI Calorie Tracker
Calobee: AI Calorie Tracker
Food Scanner for Weight Loss
Free

Effortlessly track your nutrition by simply taking a photo of your meal. This AI-powered app instantly identifies food, estimates portions, and calculates calories, macronutrients, vitamins, and minerals. It offers personalized daily targets and progress tracking to help you achieve your health goals.

AI photo food recognitionBarcode and nutrition label scanningPersonalized daily targets
💪 Health & Fitness
(2)
freemium
18
Wink by Amanda Salis
Wink by Amanda Salis
Wink by Amanda Salis
Scientific weight loss
Free
💪 Health & Fitness
(0)
19
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
20
Mycro: Weight Loss Coach
Mycro: Weight Loss Coach
Mycro: Weight Loss Coach
More than a calorie tracker
Free

This intelligent coach helps you lose weight by focusing on your trendline, not daily fluctuations. Log your weight and food intake in seconds, and receive honest, contextual feedback to stay on track without shame or guilt.

Daily weigh-insQuick food logging (photo or text)AI calorie estimation
💪 Health & Fitness
(5)
subscription

FAQ about Weight Loss And Diet Tracking App

What is the best weight loss and diet tracking app for iPhone?
MyFitnessPal: Calorie Counter tops our weight loss and diet tracking app ranking as of August 2026, with a 4.7-star average from 2.4M App Store ratings, and it's free to download.
Yes — 20 of the top weight loss and diet tracking app we rank are free to download, including MyFitnessPal: Calorie Counter and WeightWatchers Program.
MyFitnessPal: Calorie Counter shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ weight loss and diet tracking app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app is an AI-powered food and fitness tracker designed to help users achieve their nutrition and health goals. It allows for comprehensive tracking of calories, macronutrients, water intake, and workouts, all within a single platform.
Key features include an AI food tracker with a vast food database, macro tracking for detailed nutrient breakdown, water intake monitoring, workout logging, personalized goal setting for weight management and nutrition, and meal planning tools.