Best Keto Calculator Diet Apps

224+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated May 2026

Out of 224+ keto calculator diet 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.

Top Picks for Keto Calculator Diet

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
Stupid Simple Keto Diet App#2

Stupid Simple Keto Diet App by Venn Interactive, Inc.

Low Carb Diet & Macros Manager
Strong Contender
💪 Health & Fitness
4.6😊(8.9K ratings)
FreeAdsIn-App Purchases
Stupid Simple Keto Diet App screenshot 1
Stupid Simple Keto Diet App screenshot 2
Stupid Simple Keto Diet App screenshot 3
Stupid Simple Keto Diet App screenshot 4
Stupid Simple Keto Diet App screenshot 5

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.

What We Love

  • 🚀 Stupid simple to use
  • 👍 Easy to track macros
  • 👍 Helpful for keto diet
  • 👍 Customizable

Room to Improve

  • 🐛 Sync and login issues
  • 🐛 Inaccurate food data
  • 🐛 Confusing navigation
Keto-Recipes#3

Keto-Recipes by Drama Labs GmbH

Simple Keto Diet Tracker App
Worth Considering
🍔 Food & Drink
4.5(191 ratings)
FreeIn-App Purchases
Keto-Recipes screenshot 1
Keto-Recipes screenshot 2
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Keto-Recipes screenshot 6

This app helps you follow a ketogenic diet by suggesting keto-friendly meals and tracking your fat intake. It simplifies meal planning and barcode scanning to help you stay motivated and achieve your weight loss goals.

More Keto Calculator 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
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
6
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
7
Keto Diet App : Food Tracker
Keto Diet App : Food Tracker
Keto Diet App : Food Tracker
Nutrition Tracker, Weight loss
Free

This app helps users achieve their weight loss goals by providing tools for tracking food consumption, creating custom meal plans, and accessing a variety of keto recipes. It also includes features for monitoring water intake, calculating nutrition, and finding exercises.

Keto meal planningFood consumption trackingCalorie counter
💪 Health & Fitness
(522)
subscription
8
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Low Carb Meal Plans & Tracker
Free

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.

Personalized keto meal plans10,000+ easy recipesMacronutrient and calorie tracking
💪 Health & Fitness
(5.6K)
free with in-app purchases
9
Diet Doctor
Diet Doctor
Diet Doctor
Low-carb & keto
Free

This app helps users follow a low-carb or ketogenic lifestyle with personalized meal plans, a vast recipe library, and a supportive community. It offers tools for tracking progress, understanding food nutrition, and simplifying grocery shopping for healthier eating.

Personalized meal plans1000+ low-carb and keto recipes130+ tested meal plans
🍔 Food & Drink
(4.4K)
free with in-app purchases
10
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
(93K)
free with in-app purchases
11
Ketogenic Keto diet food list
Ketogenic Keto diet food list
Ketogenic Keto diet food list
Low net carb app - lose weight
Free

Access a comprehensive list of approved foods for the ketogenic diet. Easily manage your dietary needs with a simple shake-to-remove checklist. Start your healthy eating journey and achieve your fat-burning goals.

Ketogenic diet food listLow net carb trackingShake-to-remove checklist
🌟 Lifestyle
(569)
subscription
12
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Intermittent Fasting & Diet
Free

This app combines intermittent fasting timers with a smart nutrition toolkit to help you lose weight. It features AI-powered meal scanning to estimate calories and macros, personalized fasting plans, and insights into your body's metabolic stages. Track your progress, mood, and energy levels to optimize your health journey.

AI-powered meal scanning for calorie and macro estimationFlexible intermittent fasting timer with personalized plansBody stage tracking (Ketosis, Autophagy)
💪 Health & Fitness
(9.3K)
free with in-app purchases
13
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Carbon - Macro Coach & Tracker
Calories, Nutrition, & Diet
Free

This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.

Personalized nutrition plansAdaptive plan adjustmentsComprehensive food logging
💪 Health & Fitness
(7.6K)
free with in-app purchases
14
Smart - Food Score Calculator
Smart - Food Score Calculator
Smart - Food Score Calculator
Weight & Diet Macro Watchers
Free

Easily track your diet and nutrition when eating out. Access detailed calorie, carb, fat, and protein information for thousands of restaurant and grocery items. Make informed food choices on the go to stay on track with your fitness or diet plan.

Restaurant nutrition guideGrocery item nutritionBarcode scanning
🍔 Food & Drink
(2.4K)
free
15
Keto Diet for Beginners
Keto Diet for Beginners
Keto Diet for Beginners
What to Eat Meal Plan Recipes
Free

Learn what to eat, avoid, and how much to consume for effective weight loss on a Keto diet. This app offers a guided video course with expert advice, meal plans, and shopping lists to help you quickstart Keto and achieve your goals.

Learn what to eat and avoidUnderstand macro intake for weight lossQuickstart Keto video course
💪 Health & Fitness
(302)
free with in-app purchases
16
KetoDiet: Fasting & Meal Plans
KetoDiet: Fasting & Meal Plans
KetoDiet: Fasting & Meal Plans
Diet tracker with AI assistant
Free

Combine ketogenic eating with strategic fasting for a healthier lifestyle. This app offers custom meal plans, advanced health tracking, thousands of recipes, and an AI assistant to guide your journey. Connect with a supportive community for motivation and advice.

Unlimited custom meal plansIntelligent fasting trackerOver 2,000 keto recipes
💪 Health & Fitness
(2.4K)
free with in-app purchases
17
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Track Food GLP-1 Macro Calorie
Free

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.

Personalized weight loss plansEasy food tracking (barcode scanner, search)Recipe builder
💪 Health & Fitness
(90K)
free with in-app purchases
18
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
19
Calorie Deficit Calculator
Calorie Deficit Calculator
Calorie Deficit Calculator
Oatsy Macro Tracker Diet Coach
Free

This app helps you achieve your health and nutrition goals by tracking your food intake, water consumption, and exercise. It offers a comprehensive nutrition database, custom diet plans, and AI-powered food scanning to make logging easier.

Advanced food diary with large nutrition databaseCalorie and macro/micronutrient trackingCustomizable diet plans (Keto, Intermittent Fasting, etc.)
💪 Health & Fitness
(3.7K)
free with in-app purchases
20
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
AI Calorie Tracker by Yazio
Food tracker for weight loss
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