Best Free Macro Calculator Diet Apps

241+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Looking for free free macro calculator diet apps? 20 of our 241+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Free Macro Calculator Diet

MacroFactor - Macro Tracker#1

MacroFactor - Macro Tracker by Stronger By Science Technologies LLC

Calorie, Nutrition, Food, Diet
Editor's Choice
πŸ’ͺ Health & Fitness
4.7😊(69 ratings)
FreeAdsIn-App Purchases
#11in Health & Fitness
MacroFactor - Macro Tracker screenshot 1
MacroFactor - Macro Tracker screenshot 2
MacroFactor - Macro Tracker screenshot 3
MacroFactor - Macro Tracker screenshot 4
MacroFactor - Macro Tracker screenshot 5
MacroFactor - Macro Tracker screenshot 6

Track your calories, macros, and nutrition easily with a personalized macro plan that adapts to your metabolism. Get detailed insights, barcode scanning, and a verified food database to help you reach your diet goals stress-free. Start your 7-day trial now for a premium, ad-free experience.

What We Love

  • πŸš€ Easy to use
  • πŸ” Detailed analytics and data
  • πŸ€– Intelligent algorithm adjustments
  • πŸ‘ Flexible and customizable

Room to Improve

  • πŸ” Limited food database for some regions
  • πŸ€” Steep learning curve for some users
  • πŸ’° Subscription-based model
Cronometer: Calorie Counter#2

Cronometer: Calorie Counter by Cronometer Software Inc

Nutrition, macro, diet tracker
Strong Contender
πŸ’ͺ Health & Fitness
4.8😊(93K ratings)
FreeAdsIn-App Purchases
#11in Health & Fitness
Cronometer: Calorie Counter screenshot 1
Cronometer: Calorie Counter screenshot 2
Cronometer: Calorie Counter screenshot 3
Cronometer: Calorie Counter screenshot 4
Cronometer: Calorie Counter screenshot 5
Cronometer: Calorie Counter screenshot 6

Track your daily food intake and nutritional information with precision using this advanced calorie counter app. Set personal goals, monitor macros, and track your diet to maintain a healthy lifestyle. Download now for accurate and comprehensive food tracking.

What We Love

  • πŸ‘ Excellent functionality
  • πŸ‘ Best tracker out there
  • πŸ‘ Logging food is super simple
  • πŸ‘ Easy to set up and use

Room to Improve

  • πŸ”’ Doesn't allow hiding email
  • πŸ› Widgets don't update properly
  • πŸ› Recipes don't always import correctly
Calorie Deficit Calculator#3

Calorie Deficit Calculator by Starry Web Ltd

Oatsy Macro Tracker Diet Coach
Worth Considering
πŸ’ͺ Health & Fitness
4.7😐(3.7K ratings)
FreeIn-App Purchases
Calorie Deficit Calculator screenshot 1
Calorie Deficit Calculator screenshot 2
Calorie Deficit Calculator screenshot 3
Calorie Deficit Calculator screenshot 4
Calorie Deficit Calculator screenshot 5
Calorie Deficit Calculator screenshot 6

Track your nutrition easily and achieve your weight loss goals with our app! Log food, water, and exercise effortlessly to become your healthiest self. Start now to track calories and macros effectively.

What We Love

  • πŸš€ Simple and easy to use
  • πŸ‘ Helpful for tracking calories and macros
  • πŸš€ Efficient barcode scanning
  • πŸ‘ Integrates with Apple Health

Room to Improve

  • πŸ› Bugs and glitches with the app
  • πŸ” Limited food options, especially for cultural dishes
  • πŸ” Inaccurate macro calculations

More Free Macro Calculator Diet apps to explore

4
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Calories, Nutrition, & Diet
Free

Get personalized nutrition guidance tailored to your goals with an intuitive app that tracks your daily food intake, suggests balanced meals, and helps you reach your macros efficiently. Start optimizing your diet today for a healthier lifestyle.

πŸ’ͺ Health & Fitness
(7.6K)
5
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Trifecta: Diet & Weight Loss
Calorie & Macro Tracker
Free

Discover a comprehensive diet and fitness app that offers personalized meal plans, workout routines, and progress tracking tools for users to achieve their health goals. Take control of your well-being with Trifecta's tailored approach to nutrition and exercise. Start your journey to a healthier lifestyle today!

πŸ’ͺ Health & Fitness
(1.5K)
6
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Low Carb Diet & Macros Manager
Free

This keto diet app offers a user-friendly interface for tracking low-carb meals, creating shopping lists, and accessing recipes. It simplifies the process of following a ketogenic diet for better health and weight management. Start your keto journey today!

πŸ’ͺ Health & Fitness
(8.9K)
7
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

This application is a Keto/low carb macro calculator that helps users determine their ideal food intake for ketogenic and low-carb diets. It is free to use with no subscriptions, ads, sign-ups, or compromises on user privacy. Users can leave reviews to support the app.

πŸ’ͺ Health & Fitness
(8.4K)
8
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Food Macros Calorie Counter
Free

Track your daily macronutrient intake easily with this user-friendly app. Take control of your diet by accurately monitoring your protein, fat, and carb consumption. Download now and start achieving your health goals today!

πŸ’ͺ Health & Fitness
(17K)
9
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Foodvisor - AI Calorie Counter
Diet Tracker for Weight Loss
Free

Foodvisor is a nutrition tracking app that uses AI to analyze users' meals from photos, providing detailed nutritional information. Easily monitor your food intake and make healthier choices with this innovative tool.

πŸ’ͺ Health & Fitness
(59)
10
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Looking for a sleek and smart calorie counter with a free barcode scanner and food tracker? MyNetDiary is the ultimate personal assistant for weight loss, dieting, and nutrition. Users love its intuitive design and effectiveness in reaching fitness goals. Try it out today!

πŸ’ͺ Health & Fitness
(155K)
11
Lean: AI Macro Tracker
Lean: AI Macro Tracker
Lean: AI Macro Tracker
Track calories & meals & food
Free

The Lean App is an AI-powered nutrition tracker that simplifies calorie counting, macro tracking, and food logging. It uses advanced AI to instantly recognize your food, calculate calories, and provide personalized meal plans, making it easy to achieve your health and fitness goals, whether you're looking to lose weight, gain muscle, or maintain a balanced diet.

πŸ’ͺ Health & Fitness
(659)
12
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Macros, fitness & diΓ©tΓ©tique
Free

Track your daily food intake, calories, and macros with this AI-based food calorie counter. Log your meals easily and stay on top of your nutrition goals effortlessly!

πŸ’ͺ Health & Fitness
(1.7K)
13
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Carb Cycle & Macro Tracker App
Free

Track your daily carb intake, plan meals for the ketogenic diet, and monitor your progress towards your weight goals with this comprehensive carb diet app. Stay on track and achieve your health objectives easily.

πŸ’ͺ Health & Fitness
(9.4K)
14
Diet & Meal Planner by GetFit
Diet & Meal Planner by GetFit
Diet & Meal Planner by GetFit
Calorie counter, food tracker
Free

Discover a comprehensive dietary tool that simplifies meal planning, tracks calorie intake, offers personalized nutritional insights, and features a vast database of recipes. Take control of your health and nutrition goals with this all-in-one app!

πŸ’ͺ Health & Fitness
(6.2K)
15
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Food & Macro Counter
Free

Track your calories with AI technology by simply snapping a photo of your meal. Achieve your fitness goals efficiently with personalized nutritional breakdowns and support. Start your journey to a healthier you today!

πŸ’ͺ Health & Fitness
(16K)
16
Your fatsecret to Weight Loss
Your fatsecret to Weight Loss
Your fatsecret to Weight Loss
Diet & Weight Loss Tracker
Free

Track your daily food intake, set nutrition goals, and monitor your progress with this comprehensive calorie counting app. Stay on top of your fitness goals and make informed choices about your diet. Start tracking today for a healthier tomorrow!

πŸ’ͺ Health & Fitness
(1.2K)
17
Zero: Fasting Tracker App
Zero: Fasting Tracker App
Zero: Fasting Tracker App
Intermittent Fasting Timer
Free

Achieve your health goals with an app that tracks fasting schedules, provides personalized recommendations, and offers a community for support and motivation. Start your journey towards better health today.

πŸ’ͺ Health & Fitness
(42K)
18
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

Experience personalized weight loss support with a comprehensive keto diet app. Track macros effortlessly, access hundreds of recipes, and get expert guidance in reaching your goals quickly and efficiently. Start your journey towards better health today!

πŸ’ͺ Health & Fitness
(81K)
19
Smart - Food Score Calculator
Smart - Food Score Calculator
Smart - Food Score Calculator
Weight & Diet Macro Watchers
Free

Discover how easily you can track your daily food intake and make healthier choices with our Smart Food Score Calculator! Input your meals and receive instant feedback on their nutritional value. Make informed decisions about your diet and work towards your health goals effortlessly.

πŸ” Food & Drink
(2.4K)
20
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Fooducate: Nutrition Coach
Calorie Counter & Diet Tracker
Free

Get personalized nutrition advice, track your calorie intake, and improve your eating habits with this nutrition coach app. Let Fooducate help you make healthier food choices and achieve your wellness goals. Download now and start your journey to a healthier lifestyle!

πŸ’ͺ Health & Fitness
(77K)