Best Weight Loss Tracker Diet Apps

238+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.7★, the weight loss tracker diet category is one of the App Store's strongest. Browse all 238+ apps we track, sorted so the most loved ones surface first.

Compare top Weight Loss Tracker Diet Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Prime: Intermittent FastingPrime: Intermittent FastingFree4.6★ (4.6K)YesYesAug 2026
2Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesAug 2026
3DietAI: Calorie Counter & DietDietAI: Calorie Counter & DietFree4.8★ (14K)NoYesAug 2026
4Trifecta: Diet & Weight LossTrifecta: Diet & Weight LossFree4.3★ (1.5K)YesYesJul 2026
5Diet & Meal Planner by GetFitDiet & Meal Planner by GetFitFree4.6★ (6.2K)NoYesJul 2026
6My Diet Coach - Weight LossMy Diet Coach - Weight LossFree4.6★ (25K)YesYesAug 2026
7Foodvisor - AI Calorie CounterFoodvisor - AI Calorie CounterFree4.6★ (16K)NoYesAug 2026
8Healthi: Weight Loss, Diet AppHealthi: Weight Loss, Diet AppFree4.8★ (90K)YesYesAug 2026

Top Picks for Weight Loss Tracker Diet

Prime: Intermittent Fasting#1

Prime: Intermittent Fasting by Oksana Safronenko

The fasting app for women
Editor's Choice
💪 Health & Fitness
4.6😐(4.6K ratings)
FreeAdsIn-App Purchases
Prime: Intermittent Fasting screenshot 1
Prime: Intermittent Fasting screenshot 2
Prime: Intermittent Fasting screenshot 3
Prime: Intermittent Fasting screenshot 4
Prime: Intermittent Fasting screenshot 5
Prime: Intermittent Fasting screenshot 6

This app offers a tailored intermittent fasting experience for women, featuring a fasting tracker, weight monitoring, and personalized guidance. It helps users achieve fitness goals, manage weight, and understand the health benefits of fasting with a focus on women's specific needs.

What We Love

  • 👍 Easy to use
  • 🚀 Helpful for weight loss
  • 💡 Useful visual references
  • 👍 Responsive customer support

Room to Improve

  • 💰 Expensive subscription
  • 🐛 Buggy and laggy
  • 🔍 Lacking in-depth features
Keto Diet App - Carb Tracker#2

Keto Diet App - Carb Tracker by FJOR NUTRITION, INC.

Weight Loss, Meal Plan, Recipe
Strong Contender
💪 Health & Fitness
4.7😊(82K ratings)
FreeIn-App Purchases
Keto Diet App - Carb Tracker screenshot 1
Keto Diet App - Carb Tracker screenshot 2
Keto Diet App - Carb Tracker screenshot 3
Keto Diet App - Carb Tracker screenshot 4
Keto Diet App - Carb Tracker screenshot 5
Keto Diet App - Carb Tracker screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Helpful for tracking macros
  • 🚀 Accurate food logging
  • 💡 Useful insights and information

Room to Improve

  • 🐛 Inconsistent food database
  • 🐛 Inaccurate calorie/carb calculations
  • 💡 Lacks integration with fitness trackers
DietAI: Calorie Counter & Diet#3

DietAI: Calorie Counter & Diet by DIGITAL LIONS APPS

Weight Loss & Food Tracker
Worth Considering
💪 Health & Fitness
4.8😞(14K ratings)
FreeIn-App Purchases
DietAI: Calorie Counter & Diet screenshot 1
DietAI: Calorie Counter & Diet screenshot 2
DietAI: Calorie Counter & Diet screenshot 3
DietAI: Calorie Counter & Diet screenshot 4
DietAI: Calorie Counter & Diet screenshot 5
DietAI: Calorie Counter & Diet screenshot 6

This app uses AI to help you track your calorie and nutrient intake by simply taking photos of your meals. It provides personalized fitness plans and nutritional breakdowns to support your weight loss or muscle gain goals.

What We Love

  • 📸 Useful photo feature for tracking calories
  • 🤖 AI-powered calorie and macro tracking
  • 🤩 Helpful for weight loss and maintenance
  • 💻 Simple and straightforward layout

Room to Improve

  • 🐛 Frequent app crashes and glitches
  • 🤔 Inaccurate calorie and macro calculations
  • 🔒 Lack of customization and profile settings

More Weight Loss Tracker Diet apps to explore

4
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
5
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
6
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
7
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
8
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
9
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
10
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Eato®: Calorie Tracker
Food, Macro, Nutrition Counter
Free

This app helps you manage your weight and health through calorie tracking, meal planning, and activity monitoring. It offers personalized plans, recipe suggestions, and progress tracking to support your wellness journey.

Calorie CounterBarcode ScanningAI Image Recognition
💪 Health & Fitness
(23K)
subscription
11
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food scanner for weight loss
Free

This app helps you track your calorie intake and meals to achieve weight loss, muscle gain, or maintenance goals. It offers an AI-powered calorie counter, a vast food database, meal planning, and intermittent fasting support.

AI calorie trackerFood database with barcode scannerIntermittent fasting plans
💪 Health & Fitness
(50K)
freemium
12
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Protein & Calorie Calculator
Free

This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

Intermittent fasting timers and streaksSmart meal logging with photo recognitionPersonalized daily protein target tracking
💪 Health & Fitness
(445K)
freemium
13
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
14
Unimeal: Fasting and Diet
Unimeal: Fasting and Diet
Unimeal: Fasting and Diet
Simple Weight Loss & Tracker
Free

Achieve your weight loss goals with personalized meal plans, intermittent fasting schedules, and easy-to-use calorie and weight tracking. Utilize an AI scanner for effortless food logging and access workouts and hydration reminders to support your journey.

Intermittent fasting customizationPersonalized meal plansAI food and nutrition scanner
💪 Health & Fitness
(13K)
free with in-app purchases
15
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
16
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Calories, Nutrition, & Diet
Free

This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.

Personalized nutrition plansAdaptive plan adjustmentsComprehensive food logging
💪 Health & Fitness
(7.9K)
free with in-app purchases
17
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
18
Welmi - Calorie Counter & Diet
Welmi - Calorie Counter & Diet
Welmi - Calorie Counter & Diet
Weight Loss Food Tracker
Free

This app helps you achieve weight goals by forming conscious food habits and adjusting nutrition. It acts as a personal nutritionist, guiding you toward your dream shape and healthy eating through meal snapping and personalized recommendations.

Food & calorie scannerPersonalized nutrition recommendationsEating reminders
💪 Health & Fitness
(18K)
free with in-app purchases
19
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Workout & AI Nutrition 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
20
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Carb Cycle & Macro Tracker App
Free

This app simplifies low-carb and macro tracking for weight loss and diabetes management. It uses voice recognition for easy food logging, offers automatic nutrient calculation, and provides community support. Access recipes, meal plans, and health insights to support your diet.

Voice recognition for food loggingAutomatic macro and net carb calculatorLow-carb eating insights
💪 Health & Fitness
(9.4K)
free with in-app purchases

FAQ about Weight Loss Tracker Diet

What are the best weight loss tracker diet apps for iPhone?
Prime: Intermittent Fasting tops our weight loss tracker diet apps ranking as of July 2026, with a 4.6-star average from 4.6K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss tracker diet apps we rank are free to download, including Prime: Intermittent Fasting and Keto Diet App - Carb Tracker.
Prime: Intermittent Fasting shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 238+ weight loss tracker diet apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides a tailored intermittent fasting experience specifically designed for women. It includes tools to track fasting and eating intervals, monitor weight, and offers personalized recommendations and insights to help users achieve their health and fitness goals.
Key features include a fasting tracker focusing on the 16:8 protocol, a weight tracker for progress monitoring, a water tracker with reminders, personalized daily recommendations, body status tracking, detailed statistics on fasting/eating intervals, and access to insights tailored for women.