Best Keto Macro Calculator Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 250+ keto macro calculator 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.

Compare top Keto Macro Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Keto Calculator - Keto BuddyKeto Calculator - Keto BuddyFree4.6★ (8.4K)NoNoAug 2026
2Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.8★ (732K)NoYesAug 2026
3Keto Diet App - Carb TrackerKeto Diet App - Carb TrackerFree4.7★ (82K)NoYesAug 2026
4Keto diet app-Low carb managerKeto diet app-Low carb managerFree4.6★ (62K)NoYesAug 2026
5Stupid Simple Keto Diet AppStupid Simple Keto Diet AppFree4.6★ (8.9K)NoYesAug 2026
6MyNetDiary Carb Genius - KetoMyNetDiary Carb Genius - KetoFree4.7★ (5.1K)NoYesAug 2026
7KetoPulse Pro: AI Keto CoachKetoPulse Pro: AI Keto CoachFree4.0★ (3)NoYesAug 2026
8Keto Diet App: Keto ManagerKeto Diet App: Keto ManagerFree4.7★ (9.4K)YesYesAug 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

Calorie Counter & Diet Tracker
Strong Contender
💪 Health & Fitness
4.8😊(732K ratings)
FreeIn-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😊(82K ratings)
FreeIn-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
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
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
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
(5.1K)
subscription
7
KetoPulse Pro: AI Keto Coach
KetoPulse Pro: AI Keto Coach
KetoPulse Pro: AI Keto Coach
AI keto coach & macro tracker
Free

Log meals instantly via photo, voice, or text to get a detailed breakdown of macros, a keto score, and your ketosis state. Receive personalized small steps to stay on track and recover from carb spikes.

Instant AI meal analysisKeto score for mealsKetosis tracking
💪 Health & Fitness
(3)
subscription
8
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
9
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
10
Macro_Calculator
Macro_Calculator
Macro_Calculator
Calculate Macros
Free
🔧 Utilities
(0)
11
Keto Scanner – Carb Counter
Keto Scanner – Carb Counter
Keto Scanner – Carb Counter
Your Smart Keto Diet Companion
Free
🌟 Lifestyle
(0)
12
KetoScanner: Keto Food Scanner
KetoScanner: Keto Food Scanner
KetoScanner: Keto Food Scanner
Scan Photo, Get Keto Score
Free
🍔 Food & Drink
(0)
13
Lifesum: AI Calorie Counter
Lifesum: AI Calorie Counter
Lifesum: AI Calorie Counter
Food Tracker, Nutrition Coach
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
KetoScanner: Keto Diet Checker
KetoScanner: Keto Diet Checker
KetoScanner: Keto Diet Checker
Reach the state of ketosis!
Free
🍔 Food & Drink
(0)
15
KetoGo | Diet
KetoGo | Diet
KetoGo | Diet
Smart Carb & Macro Tracker
Free
🍔 Food & Drink
(0)
16
CarbSync: Macro Tracker
CarbSync: Macro Tracker
CarbSync: Macro Tracker
Smart carb cycling planner
Free
💪 Health & Fitness
(0)
17
Keto Clock - Macro Tracker
Keto Clock - Macro Tracker
Keto Clock - Macro Tracker
Metabolic State & Fasting
Free

This app helps you understand your body's metabolic state and optimize fat burn. It offers personalized predictions, macro tracking, and guidance for weight loss and improved metabolic health, whether you're following a keto diet or not.

Personalized fat burn predictionsMetabolic state trackingFasting timer
💪 Health & Fitness
(3)
freemium
18
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
19
Keto Diet & Calorie Tracker
Keto Diet & Calorie Tracker
Keto Diet & Calorie Tracker
Keto calories and macros
Free

Easily calculate your ketogenic diet macros, including calorie and gram distribution. It also determines your basal and total metabolic rates for weight maintenance, loss, or muscle building.

Keto macro distribution calculationCalorie and gram breakdownBasal metabolic rate calculation
💪 Health & Fitness
(1)
free
20
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
(20K)
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 August 2026, with a 4.6-star average from 8.4K App Store ratings, and it's free to download.
Yes — 20 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 August 2026.
We track 250+ keto macro calculator apps on the iOS App Store as of August 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.