Best Weight Loss Free Diet Apps

240+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Out of 240+ weight loss free diet apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Weight Loss Free Diet

Keto Diet App - Carb Tracker#1

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

Weight Loss, Meal Plan, Recipe
Editor's Choice
💪 Health & Fitness
4.7😊(81K ratings)
FreeAdsIn-App Purchases
Keto Diet App - Carb Tracker screenshot 1
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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
Trifecta: Diet & Weight Loss#2

Trifecta: Diet & Weight Loss by DMW Design Group, LLC

Calorie & Macro Tracker
Strong Contender
💪 Health & Fitness
4.3😐(1.5K ratings)
FreeAdsIn-App Purchases
Trifecta: Diet & Weight Loss screenshot 1
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Trifecta: Diet & Weight Loss screenshot 4
Trifecta: Diet & Weight Loss screenshot 5
Trifecta: Diet & Weight Loss screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔒 Helpful customer service
  • 👍 Comprehensive workout library
  • 👍 Useful timers and tracking features

Room to Improve

  • 🐛 App crashes and glitches
  • 🐛 Inconsistent meal quality
  • 🐛 Difficult to manage subscriptions
My Diet Coach - Weight Loss#3

My Diet Coach - Weight Loss by Mosaic S.r.l.

Food tracker, calorie counter
Worth Considering
💪 Health & Fitness
4.6😊(24K ratings)
FreeAdsIn-App Purchases
My Diet Coach - Weight Loss screenshot 1
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My Diet Coach - Weight Loss screenshot 3
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My Diet Coach - Weight Loss screenshot 5
My Diet Coach - Weight Loss screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Motivational features
  • 🎨 Fun avatar customization
  • 📊 Helpful tracking and progress

Room to Improve

  • 🐛 Syncing issues with fitness trackers
  • 💰 Expensive premium subscription
  • 🤔 Limited food database for non-US users

More Weight Loss Free Diet apps to explore

4
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
5
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
6
Mayo Clinic Diet
Mayo Clinic Diet
Mayo Clinic Diet
Weight loss for life
Free

This app supports a comprehensive whole-health weight loss program developed by the Mayo Clinic. It offers flexible meal plans, easy recipes, and tools to track food intake, monitor progress, and build healthy habits. Exercise plans are also included to support your journey.

Flexible meal plansEasy-to-prepare recipesDiet Score
💪 Health & Fitness
(3.4K)
subscription
7
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
8
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
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
Formula - weight loss diet app
Formula - weight loss diet app
Formula - weight loss diet app
Anti-Inflammatory, Cortisol
Free

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.

Automatic Nutrient CalculatorVoice and Barcode Meal LoggingExtensive Recipe Library
💪 Health & Fitness
(32K)
free with in-app purchases
11
RP Diet Coach & Planner
RP Diet Coach & Planner
RP Diet Coach & Planner
Calories, Macros, Fat Loss
Free

This app helps you achieve your fitness goals by providing personalized calorie and macro tracking, meal timing guidance, and flexible scheduling. It adapts to your progress with weekly reviews and offers a vast food database with barcode and AI nutrition label scanning.

Personalized calories and macrosMeal timing guidanceRaw vs. cooked food tracking
💪 Health & Fitness
(12K)
subscription
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
DietBet: Lose Weight & Win!
DietBet: Lose Weight & Win!
DietBet: Lose Weight & Win!
Join over 1,000,000 players!
Free

Achieve your weight loss goals by joining supportive communities and participating in games hosted by experts. Make a pledge, track your progress, and win money when you reach your targets. This app helps build lasting healthy habits.

Weight loss goal settingCommunity supportExpert-hosted games
💪 Health & Fitness
(21K)
free with in-app purchases
14
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
15
no.Diet
no.Diet
no.Diet
Mediterranean Weight Loss Diet
Free

This app offers a personalized nutrition and lifestyle plan inspired by Mediterranean recipes to support weight loss, boost energy, and improve overall health. It focuses on building sustainable habits through meal tracking, mindful movement, and stress reduction techniques.

Personalized meal plansMediterranean recipe inspirationHabit tracking (meals, water, movement)
💪 Health & Fitness
(2.8K)
free with in-app purchases
16
Glow: Weight Loss AI for Women
Glow: Weight Loss AI for Women
Glow: Weight Loss AI for Women
AI Meal Plans & Workouts
Free

This app offers AI-powered personalized meal plans and custom workout routines to support your weight loss. It provides daily AI coaching via phone calls and text messages, along with weekly recipes and grocery lists for consistent motivation and accountability.

Personalized meal plansCustom workout routinesAI coach phone calls
💪 Health & Fitness
(5.1K)
free with in-app purchases
17
Lose Weight at Home in 30 Days
Lose Weight at Home in 30 Days
Lose Weight at Home in 30 Days
Home Workout for Weight Loss
Free

Achieve fast and safe weight loss with systematic home workouts and a vast selection of diets. Track progress, count calories, and receive video guidance for effective exercise routines. Scientifically proven to improve health and fitness.

Systematic home workoutsHundreds of diet plansVideo and animation guidance
💪 Health & Fitness
(21K)
free with in-app purchases
18
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Calorie Counter & Diet Tracker
Free

This app helps millions track food intake, exercise, and sleep to improve health and achieve weight loss goals. It analyzes food quality, counts macros, and offers personalized dietary advice for various health needs. Scan barcodes to uncover hidden ingredients and discover healthier alternatives.

Log food intake and exerciseAnalyze calorie quality and macrosScan product barcodes for nutrition grades
💪 Health & Fitness
(77K)
free with in-app purchases
19
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Cronometer: Calorie Counter
Nutrition, macro, diet tracker
Free

Track your diet and exercise with an extensive food database and detailed nutrient breakdowns. Monitor progress towards health goals, integrate with fitness devices, and gain insights into sleep patterns. Offers premium features for enhanced tracking and an ad-free experience.

Extensive verified food databaseDetailed nutrient and calorie trackingFitness goal setting and progress monitoring
💪 Health & Fitness
(93K)
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
(2.1K)
freemium