Best Free Health Apps Diet

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Whether you're new to free health apps diet or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Free Health Apps Diet

Keto Cycle: Keto Diet App#1

Keto Cycle: Keto Diet App by KETO DIETS UAB

Low Carb Meal Plans & Tracker
Editor's Choice
💪 Health & Fitness
4.1😞(5.6K ratings)
FreeIn-App Purchases
Keto Cycle: Keto Diet App screenshot 1
Keto Cycle: Keto Diet App screenshot 2
Keto Cycle: Keto Diet App screenshot 3
Keto Cycle: Keto Diet App screenshot 4
Keto Cycle: Keto Diet App screenshot 5
Keto Cycle: Keto Diet App screenshot 6

This app offers a personalized ketogenic diet program designed by nutritionists and behavioral scientists. It provides customized meal plans, recipes, macronutrient tracking, progress monitoring, and guided workouts to help users achieve weight loss and improve overall health.

What We Love

  • 🚀 Easy to use
  • 🚀 Helpful meal plans
  • 🚀 Detailed tracking
  • 🚀 Variety of recipes

Room to Improve

  • 🐛 Glitchy app performance
  • 🔒 Difficult to cancel subscription
  • 💰 Expensive for limited features
Keto diet app-Low carb manager#2

Keto diet app-Low carb manager by Zinaida Davydova

Macros tracker & counter
Strong Contender
💪 Health & Fitness
4.6😐(62K ratings)
FreeIn-App Purchases
Keto diet app-Low carb manager screenshot 1
Keto diet app-Low carb manager screenshot 2
Keto diet app-Low carb manager screenshot 3
Keto diet app-Low carb manager screenshot 4
Keto diet app-Low carb manager screenshot 5
Keto diet app-Low carb manager screenshot 6

This app acts as your personal keto nutritionist, simplifying weight loss by tracking macros and food intake. It offers a custom macro plan, extensive food database with barcode scanning, and helpful features like meal plans and recipe creation.

What We Love

  • 🚀 Easy to use
  • 🚀 Helpful for Keto diet
  • 🚀 Barcode scanning feature
  • 🚀 Customizable macros

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Frequent crashes and glitches
  • 🐛 Limited functionality in free version
Healthi: Weight Loss, Diet App#3

Healthi: Weight Loss, Diet App by Sunshine Health Studios LLC

Track Food GLP-1 Macro Calorie
Worth Considering
💪 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

More Free Health Apps 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
(81K)
free with in-app purchases
5
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Low Carb Diet & Macros Manager
Free

This app helps you track carbs and calories to achieve weight loss and maintain a ketogenic lifestyle. It offers easy food logging, progress tracking, and support for custom foods and fasting. Certified diet coaches are also available.

Visual carb and calorie loggingBarcode scanner for food entryFasting support
💪 Health & Fitness
(8.9K)
free with in-app purchases
6
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
(15K)
free with in-app purchases
7
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Calorie Counter by fatsecret
Diet & Weight Loss Tracker
Free

Track your food, exercise, and weight with a comprehensive database and supportive community. Features include barcode scanning, image recognition, and integration with health apps. Premium options offer personalized meal plans and advanced tracking.

Food diary with extensive databaseBarcode scanner and image recognitionExercise tracking and calorie burn log
💪 Health & Fitness
(14K)
freemium
8
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
9
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
10
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
MyNetDiary Carb Genius - Keto
Low Carb Food & Diet Manager
Free

This app helps users manage low-carb and keto diets with comprehensive tools for food logging, carb counting, macro tracking, and personalized diet plans. It features a vast food database, recipe library, and exercise tracking to support weight loss and nutrition goals.

Low-carb and keto diet managementCarb counter and macro trackerExtensive verified food database
💪 Health & Fitness
(5K)
subscription
11
FITTR: Health & Fitness App
FITTR: Health & Fitness App
FITTR: Health & Fitness App
Health Tests, Workouts & Diets
Free

This app helps you proactively manage your health through a science-backed ecosystem. It integrates wearables, smart tools, and lab tests to help you understand your body, diagnose potential issues, and implement personalized lifestyle interventions for long-term well-being.

Health and lifestyle tracking via wearablesCalorie, protein, and body fat calculatorsSmart scale with 50+ health metrics
💪 Health & Fitness
(2.4K)
free with in-app purchases
12
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Intermittent Fasting Timer
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
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
14
DietAI: Calorie Counter & Diet
DietAI: Calorie Counter & Diet
DietAI: Calorie Counter & Diet
Weight Loss & Food Tracker
Free

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.

AI Calorie Counter with photo analysisCustomized fitness and weight loss plansDetailed nutritional information (macros)
💪 Health & Fitness
(14K)
free with in-app purchases
15
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Macro, Food & Calorie Counter
Free

Easily track carbs, macros, and calories for low-carb and keto diets. Features include barcode scanning, recipe access, and community support to help you achieve your health goals.

Net carb trackingBarcode scannerMacro calculator
💪 Health & Fitness
(73K)
freemium
16
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
Simple Weight Loss & Tracker
Free

This app guides users through intermittent fasting to achieve weight loss and improve health. It offers customizable fasting plans, a timer, water tracking, and personalized recipes. Track your progress and gain insights into your body's changes.

Customizable fasting plansFasting timer and remindersWater intake tracker
💪 Health & Fitness
(79K)
free with in-app purchases
17
Glycemic Index Load Net Carbs
Glycemic Index Load Net Carbs
Glycemic Index Load Net Carbs
Diabetes Diet Glucose & Weight
Free

Manage your health with this app, offering AI-powered recipe generation and tracking for glucose, weight, and blood pressure. It helps users make informed food choices and monitor key health metrics to support diabetes prevention and weight management.

AI-powered recipe generatorGlycemic Index and Load dataGlucose and ketone tracking
🏥 Medical
(3.5K)
free with in-app purchases
18
BetterTogether: Weight Loss
BetterTogether: Weight Loss
BetterTogether: Weight Loss
Step, Diet & Challenge Tracker
Free

This app transforms weight loss into a fun, social experience through challenges and competitions with friends and family. It offers tools like water tracking, BMI calculation, and dietician advice to support your health journey.

Fitness challenges and competitionsWater intake trackerBMI calculator and tracker
💪 Health & Fitness
(7.7K)
free with in-app purchases
19
MyDietDaily -Lose Weight Smart
MyDietDaily -Lose Weight Smart
MyDietDaily -Lose Weight Smart
Diet Watchers Point Calculator
Free

Easily track your food intake, exercise, and weight progress with voice logging and extensive food databases. This app supports various diet plans and offers features like barcode scanning, custom meal creation, and community support to aid your weight loss journey.

Voice logging for food and exerciseExtensive food and recipe databasesBarcode scanner
💪 Health & Fitness
(1.6K)
free with in-app purchases
20
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