Best Keto Macro Calculator Apps

230+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated July 2026

Out of 230+ keto macro calculator apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Keto Macro Calculator Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoJul 2026
2Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.7★ (73K)YesYesJul 2026
3Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (81K)YesYesJul 2026
4MyNetDiary Carb Genius - KetoMyNetDiary Carb Genius - KetoFree4.7★ (5K)NoYesJul 2026
5Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)YesYesJul 2026
6Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesJul 2026
7Cronometer: Calorie CounterCronometer: Calorie CounterFree4.8★ (95K)YesYesJul 2026
8My Macros+ | Macro TrackerMy Macros+ | Macro TrackerFree was $2.994.7★ (33K)NoYesJul 2026

Top Picks for Keto Macro Calculator

Keto Calculator - Keto Buddy#1

Keto Calculator - Keto Buddy by Compumaster Ltd

Keto/low carb macro calculator
Editor's Choice
💪 Health & Fitness
4.6😐(8.4K ratings)
Free
Keto Calculator - Keto Buddy screenshot 1
Keto Calculator - Keto Buddy screenshot 2
Keto Calculator - Keto Buddy screenshot 3
Keto Calculator - Keto Buddy screenshot 4
Keto Calculator - Keto Buddy screenshot 5

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.

What We Love

  • 👍 Good so far
  • 👍 Convenient and easy to use
  • 👍 Helpful resource
  • 👍 Precise and informative

Room to Improve

  • 🤔 Confusing interface
  • 🤔 Lacks functionality
  • 💰 Expensive
Carb Manager: Keto & Macro Log#2

Carb Manager: Keto & Macro Log by Wombat Apps LLC

Macro, Food & Calorie Counter
Strong Contender
💪 Health & Fitness
4.7😊(73K ratings)
FreeAdsIn-App Purchases
Carb Manager: Keto & Macro Log screenshot 1
Carb Manager: Keto & Macro Log screenshot 2
Carb Manager: Keto & Macro Log screenshot 3
Carb Manager: Keto & Macro Log screenshot 4
Carb Manager: Keto & Macro Log screenshot 5
Carb Manager: Keto & Macro Log screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🔒 Comprehensive tracking
  • 👍 Helpful for keto/low-carb diets
  • 👍 Useful recipes and meal plans

Room to Improve

  • 🐛 Inaccurate food database
  • 🐛 Buggy and crashes frequently
  • 🐛 Clunky interface and navigation
Keto Diet App - Carb Tracker#3

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

Weight Loss, Meal Plan, Recipe
Worth Considering
💪 Health & Fitness
4.7😊(81K ratings)
FreeAdsIn-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

More Keto Macro Calculator apps to explore

4
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
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
Keto diet app-Low carb manager
Keto diet app-Low carb manager
Keto diet app-Low carb manager
Macros tracker & counter
Free

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.

Custom macro plan generationFood tracking with barcode scannerKeto meal plans and recipes
💪 Health & Fitness
(62K)
free with in-app purchases
7
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
(95K)
free with in-app purchases
8
My Macros+ | Macro Tracker
My Macros+ | Macro Tracker
My Macros+ | Macro Tracker
Calorie, Carb & Diet Tracker
Free
$2.99 | 100% OFF

This app helps users track their daily food intake, calories, and macronutrients with a vast food database and convenient scanning features. It offers customizable macro goals, progress monitoring through graphs, and social sharing options. An optional AI coach assists with personalized diet adjustments.

AI food scannerNutrition label & barcode scannerCustomizable macro goals
💪 Health & Fitness
(33K)
free with in-app purchases
9
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
10
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
11
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Food, Fitness & Weight 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
12
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
Calorie, Nutrition, Food, Diet
Free

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.

Dynamic metabolism adaptationPersonalized macro and calorie targetsVerified food database
💪 Health & Fitness
(19K)
free with in-app purchases
13
Lifesum: AI Calorie Tracker
Lifesum: AI Calorie Tracker
Lifesum: AI Calorie Tracker
Food Diary, Weight Loss Diet
Free

This app offers AI-powered meal tracking with multiple logging options, including photo, voice, text, and barcode scanning. It provides personalized nutrition plans, calorie and macro tracking, and integrates with fitness devices to support weight management and overall well-being.

AI-powered meal loggingPhoto, voice, text, and barcode trackingCalorie and macro counter
💪 Health & Fitness
(150K)
free with in-app purchases
14
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
MacrosFirst - Macro Tracker
Calorie Counter, Nutrition Log
Free

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.

Custom macro goal settingAutomatic serving size calculationBarcode and label scanning for food logging
💪 Health & Fitness
(19K)
freemium
15
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Calorie Counter PRO MyNetDiary
Food Nutrition Fasting Tracker
$3.99

Easily track calories, food intake, and macronutrients with a powerful barcode scanner and AI meal logging. Offers personalized diet plans and detailed nutrition breakdowns to help users achieve their health goals.

Barcode scanner for fast loggingAI Meal Scan for instant food entryPersonalized diet and meal plans
💪 Health & Fitness
(14K)
freemium
16
Macros - Calorie Counter
Macros - Calorie Counter
Macros - Calorie Counter
Calorie Counter & Meal Planner
Free

Easily track your daily calorie and macronutrient intake to achieve your health goals. Whether you aim for weight loss, muscle gain, or a healthier lifestyle, this app provides personalized goals, a comprehensive food database, and activity tracking.

Personalized calorie and macro goalsExtensive food databaseBarcode scanner
💪 Health & Fitness
(459)
free with in-app purchases
17
Yazio(야지오): AI 칼로리 계산기
Yazio(야지오): AI 칼로리 계산기
Yazio(야지오): AI 칼로리 계산기
초간단 음식 다이어리 및 스캐너
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
(49K)
freemium
18
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
(767K)
free with in-app purchases
19
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Calo: AI Food Calorie Counter
Macros, fitness & diététique
Free

This app helps you achieve your health and weight goals through personalized calorie and macro tracking. It features AI-powered food logging, barcode scanning, and custom meal plans with recipes.

AI-powered food loggingCalorie and macro trackingBarcode scanner
💪 Health & Fitness
(17K)
subscription
20
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Cal AI - Calorie Tracker
Food & Macro Counter
Free

This app helps you achieve your fitness goals by tracking your calorie and macronutrient intake. Simply answer lifestyle questions to create a personalized plan, then snap photos of your meals for an instant nutritional breakdown. It aims to simplify dieting and empower users with the tools and information needed to succeed.

Personalized lifestyle plan creationMeal photo nutritional analysisCalorie and macro tracking
💪 Health & Fitness
(341K)
freemium

FAQ about Keto Macro Calculator

What are the best keto macro calculator apps for iPhone?
Keto Calculator - Keto Buddy tops our keto macro calculator apps ranking as of July 2026, with a 4.6-star average from 8.4K App Store ratings, and it's free to download.
Yes — 19 of the top keto macro calculator apps we rank are free to download, including Keto Calculator - Keto Buddy and Carb Manager: Keto & Macro Log.
Keto Calculator - Keto Buddy has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 230+ keto macro calculator apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Keto Calculator helps you determine your ideal macronutrient intake for ketogenic and other low-carb diets. It calculates the recommended percentages and amounts of fat, protein, and carbohydrates based on your individual goals and needs.
The ketogenic diet is a dietary approach that is high in fat, adequate in protein, and very low in carbohydrates. Typically, it involves consuming 60-75% of calories from fat, 15-30% from protein, and 5-10% from carbohydrates.