Best Macros Calculator Free Apps

230+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

With an average user rating of 4.7★, the macros calculator free category is one of the App Store's strongest. Browse all 230+ apps we track, sorted so the most loved ones surface first.

Compare top Macros Calculator Free Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1MacrosFirst - Macro TrackerMacrosFirst - Macro TrackerFree4.9★ (20K)YesYesAug 2026
2MyFitnessPal: Calorie CounterMyFitnessPal: Calorie CounterFree4.7★ (2.3M)YesYesAug 2026
3MacroFactor - Macro TrackerMacroFactor - Macro TrackerFree4.8★ (20K)NoYesAug 2026
4Cronometer: Calorie CounterCronometer: Calorie CounterFree4.8★ (96K)YesYesAug 2026
5Macro Tracker - Keto Diet AppMacro Tracker - Keto Diet AppFree4.5★ (1.8K)NoNoJul 2026
6Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoAug 2026
7Stupid Simple Macro TrackerStupid Simple Macro TrackerFree4.6★ (7.8K)YesYesAug 2026
8Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026

Top Picks for Macros Calculator Free

MacrosFirst - Macro Tracker#1

MacrosFirst - Macro Tracker by MacrosFirst, Inc.

Calorie Counter, Nutrition Log
Editor's Choice
💪 Health & Fitness
4.9😊(20K ratings)
FreeAdsIn-App Purchases
#93in Health & Fitness
MacrosFirst - Macro Tracker screenshot 1
MacrosFirst - Macro Tracker screenshot 2
MacrosFirst - Macro Tracker screenshot 3
MacrosFirst - Macro Tracker screenshot 4
MacrosFirst - Macro Tracker screenshot 5
MacrosFirst - Macro Tracker screenshot 6

This app helps users track their food intake, calories, and macronutrients to achieve health and fitness goals. It offers features like custom goal setting, automatic serving size calculation, and quick food logging via barcode scanning or label analysis. Users can also monitor progress, share meals, and even convert alcohol calories into macro equivalents.

What We Love

  • 👍 Easy to use
  • 🚀 Intuitive interface
  • 💯 Accurate macro tracking
  • 🔍 Extensive food database

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 📚 Limited food database for some users
  • 🔢 Difficulty adjusting serving sizes
MyFitnessPal: Calorie Counter#2

MyFitnessPal: Calorie Counter by MyFitnessPal, Inc.

Workout & AI Nutrition Tracker
Strong Contender
💪 Health & Fitness
4.7😐(2.3M 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
MacroFactor - Macro Tracker#3

MacroFactor - Macro Tracker by Stronger By Science Technologies LLC

Calorie Counter & Food Log
Worth Considering
💪 Health & Fitness
4.8😊(20K ratings)
FreeIn-App Purchases
#10in 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

This app uses a dynamic algorithm to adapt your calorie and macro targets based on your metabolism and progress. It offers tools for quick food logging, a verified database, and personalized coaching to help you achieve sustainable diet goals without stress or rigidity.

What We Love

  • 🚀 Easy to use
  • 🔍 Detailed analytics and data
  • 🤖 Intelligent algorithm adjustments
  • 👍 Flexible and customizable

Room to Improve

  • 🔍 Limited food database for some regions
  • 🤔 Steep learning curve for some users
  • 💰 Subscription-based model

More Macros Calculator Free apps to explore

4
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
(96K)
free with in-app purchases
5
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Macro Tracker - Keto Diet App
Simple Low Carb Health Manager
Free

Easily track your low-carb and ketogenic diet by quickly inputting custom foods and their nutritional information. This app allows you to save and reuse your own recipes, adjusting serving sizes automatically for accurate macro and calorie tracking.

Custom food loggingSave and reuse custom foodsAdjustable serving sizes
💪 Health & Fitness
(1.8K)
free
6
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
7
Stupid Simple Macro Tracker
Stupid Simple Macro Tracker
Stupid Simple Macro Tracker
Protein & Calorie Counter
Free

This app simplifies macro tracking for weight loss and muscle building. It allows you to eat freely as long as your intake fits your daily fat, protein, and carb goals. Features include a barcode scanner, custom meal creation, and progress tracking.

Macro nutrient tracking (fat, protein, carbs)Barcode scanner with food databaseCustomizable daily nutrition goals
💪 Health & Fitness
(7.8K)
free with in-app purchases
8
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
9
Macro Calculator By Fittur
Macro Calculator By Fittur
Macro Calculator By Fittur
Calculate Macros Accurately
Free

This app calculates personalized macronutrient targets for fat loss, muscle gain, or weight maintenance. It uses body fat percentage for greater accuracy than traditional BMI-based calculators. Achieve your fitness goals with precise nutrition guidance.

Body fat-based macro calculationPersonalized nutrition targetsSupports fat loss, muscle gain, weight maintenance
💪 Health & Fitness
(4.1K)
free
10
Basic Calculator+
Basic Calculator+
Basic Calculator+
Basic Four Function Calculator
Free

Perform essential arithmetic operations with a straightforward calculator app. Its large buttons and clear display ensure ease of use, supporting both portrait and landscape orientations.

Basic four functionsClear displayLarge buttons
🔧 Utilities
(243K)
free with in-app purchases
11
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
12
Calculator with History +
Calculator with History +
Calculator with History +
No ads & Scientific calculator
Free

This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.

Ad-free experienceCalculation historyVisual input
💰 Finance
(25K)
free with in-app purchases
13
6-Pack Macros
6-Pack Macros
6-Pack Macros
Fitness Tracking
Free

This app guides users to achieve fitness goals by tracking nutrition and providing customized workout plans. It offers a food database and custom meal creation for precise dietary logging. It's a comprehensive tool for weight loss, muscle gain, or general health improvement.

Nutrition trackingMacronutrient intake loggingCustomizable workout routines
💪 Health & Fitness
(31)
free with in-app purchases
14
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

Calculate your ideal macronutrient intake for ketogenic and other low-carb diets. This free tool helps you determine the right balance of fat, protein, and carbohydrates based on your individual goals and needs.

Macronutrient calculationKetogenic diet supportLow-carb diet support
💪 Health & Fitness
(8.4K)
free
15
Macros: Calorie Calculator
Macros: Calorie Calculator
Macros: Calorie Calculator
Macro Calculator
Free

This app helps you calculate your daily caloric and macronutrient needs for weight loss, maintenance, or muscle gain. It offers five different macro calculation methods and tracks your progress with insightful graphs.

Calculate caloric needsDetermine precise macronutrient needsChoose weight loss, maintenance, or muscle gain goals
💪 Health & Fitness
(0)
ad-supported
16
Find Your Macros
Find Your Macros
Find Your Macros
Quick Macro Finder by FDL
Free

Easily calculate your daily calorie and macronutrient needs to achieve your fitness goals. Quickly convert alcohol intake into trackable macros to stay on course. This tool simplifies macro calculations for beginners and those seeking a fast, convenient method.

Calculate daily calorie needsCalculate macronutrient needsConvert alcohol intake to macros
💪 Health & Fitness
(205)
free
17
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
(15K)
freemium
18
Calculator·
Calculator·
Calculator·
Big Basic Calculator
Free

This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.

Basic arithmetic operationsPercentage calculationsMultiple color schemes
🔧 Utilities
(33K)
free with in-app purchases
19
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.3K)
free with in-app purchases
20
Calculator
Calculator
Calculator
by The App Tower Inc.
Free

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

Basic calculationsOver 80 themesTheme customization
🔧 Utilities
(146K)
free with in-app purchases

FAQ about Macros Calculator Free

What are the best macros calculator free apps for iPhone?
MacrosFirst - Macro Tracker tops our macros calculator free apps ranking as of July 2026, with a 4.9-star average from 20K App Store ratings, and it's free to download.
MacrosFirst - Macro Tracker shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 230+ macros calculator free apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
MacrosFirst is a comprehensive tool for tracking food macros, calories, and nutrients. It helps users set and achieve their health and fitness goals by providing detailed insights into their dietary intake and progress over time.
Key features include setting custom daily and meal-level macro goals, automatically calculating serving sizes, logging foods quickly via barcode scanning or label analysis, tracking detailed macronutrients and calories, and analyzing progress with reports. Premium features offer AI-powered food search and recipe import.