Best Ketosis Apps

224+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

Looking for free ketosis apps? 20 of our 224+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Ketosis Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Carb Manager: Keto & Macro LogCarb Manager: Keto & Macro LogFree4.7★ (73K)YesYesJul 2026
2Fasting + Intermittent FastingFasting + Intermittent FastingFree4.8★ (6.8K)NoYesJul 2026
3Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesJul 2026
4Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (28K)YesYesJul 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
7BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (144K)YesYesJul 2026
8Key to Health: Metabolic AIKey to Health: Metabolic AIFree4.8★ (2.2K)NoYesJul 2026

Top Picks for Ketosis

Carb Manager: Keto & Macro Log#1

Carb Manager: Keto & Macro Log by Wombat Apps LLC

Macro, Food & Calorie Counter
Editor's Choice
💪 Health & Fitness
4.7😊(73K ratings)
FreeAdsIn-App Purchases
Carb Manager: Keto & Macro Log screenshot 1
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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
Fasting + Intermittent Fasting#2

Fasting + Intermittent Fasting by Byte Puls d.o.o.

Fasting Tracker - Lose Weight
Strong Contender
💪 Health & Fitness
4.8😊(6.8K ratings)
FreeIn-App Purchases
Fasting + Intermittent Fasting screenshot 1
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Fasting + Intermittent Fasting screenshot 3
Fasting + Intermittent Fasting screenshot 4
Fasting + Intermittent Fasting screenshot 5
Fasting + Intermittent Fasting screenshot 6

This app helps users achieve weight loss and improve metabolic health through intermittent fasting. It offers personalized plans, progress tracking, and coaching without dietary restrictions.

What We Love

  • ⭐ Excellent tracking and visualization
  • 👍 Simple and easy to use
  • 💪 Helps stay motivated and on track
  • 🔍 Detailed information on fasting stages

Room to Improve

  • 🔍 Lack of advanced features (food/exercise logging)
  • 💸 Subscription model not well-received
  • 🔈 Intrusive ads and pop-ups
Zero: Fasting & Food Tracker#3

Zero: Fasting & Food Tracker by Zero Longevity Science, Inc.

Intermittent Fasting Timer
Worth Considering
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#93in Health & Fitness
Zero: Fasting & Food Tracker screenshot 1
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Zero: Fasting & Food Tracker screenshot 4
Zero: Fasting & Food Tracker screenshot 5
Zero: Fasting & Food Tracker screenshot 6

This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.

What We Love

  • 🚀 Easy to use
  • 📊 Helpful tracking and data
  • 💡 Informative learning resources
  • 🔍 Detailed fasting information

Room to Improve

  • 💰 Expensive premium subscription
  • 🔒 Forced account creation
  • 🙄 Intrusive ads and upsells

More Ketosis apps to explore

4
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Fasting App: Lose Weight Fast
Free

This app helps users achieve sustainable weight loss and health goals through personalized intermittent fasting plans and an AI-powered calorie counter. It offers features like food scanning, hydration tracking, and detailed progress monitoring. Users can access science-based insights and healthy recipes to support their journey.

Personalized fasting plansAI calorie counter and food loggerWater and hydration tracker
💪 Health & Fitness
(28K)
freemium
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
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Weight Loss Diet, Meal Tracker
Free

This app guides users through intermittent fasting to achieve weight loss, improve health, and boost energy. It offers personalized plans, daily coaching, recipes, and tools like a water tracker and weight log. Users can choose from various fasting plans and track their progress towards their health goals.

Personalized fasting plansDaily coaching and motivation100+ recipes for fasting success
💪 Health & Fitness
(144K)
free with in-app purchases
8
Key to Health: Metabolic AI
Key to Health: Metabolic AI
Key to Health: Metabolic AI
Your metabolism, optimized
Free

Understand your body's fat metabolism in real-time with a connected breath sensor. Receive personalized AI coaching to optimize your health, track progress, and build strength without restrictive diets. Achieve your wellness goals with science-backed guidance.

Real-time fat metabolism trackingAI health coachingPersonalized goals and progress tracking
💪 Health & Fitness
(2.2K)
subscription
9
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Protein, Tracker, Nutrition
Free

This app guides users through personalized intermittent fasting and nutrition plans to achieve sustainable weight loss. It offers features like a food scanner, progress tracking, and a community for support, helping users burn fat and improve overall health.

Personalized fasting and nutrition plansProtein fasting for muscle maintenanceIntermittent fasting for fat burning
💪 Health & Fitness
(246K)
free with in-app purchases
10
Senza: Keto & Fasting
Senza: Keto & Fasting
Senza: Keto & Fasting
Coaches | Meal Plans | Macros
Free

This app guides users through ketogenic and intermittent fasting lifestyles. It offers extensive food databases, meal planning tools, and progress tracking for nutrition, workouts, sleep, and mood. Connect with a community for support and recipe sharing.

Keto food databaseIntermittent fasting trackerMeal planning
💪 Health & Fitness
(11K)
free
11
Keto Diet App & Recipes
Keto Diet App & Recipes
Keto Diet App & Recipes
Carb Manager & Cycle Tracker
Free

This app guides you through the ketogenic diet with in-depth information, comprehensive food lists, and over 200 recipes. It offers personalized features to help you achieve your fat-burning goals and stay on track with your diet.

Keto diet insights and benefitsComprehensive food lists200+ keto recipes with nutrition info
🍔 Food & Drink
(29K)
subscription
12
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
13
MyMojoHealth
MyMojoHealth
MyMojoHealth
by Keto-check, Inc
Free

Easily track and view blood glucose and ketone readings by syncing directly from your meter. Analyze your data with various filters and graphs, and securely store it in the cloud. Connect with a supportive community for motivation and resources.

Automatic meter syncingGlucose, ketone, and GKI trackingData filtering and graphing
💪 Health & Fitness
(17K)
free with in-app purchases
14
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
Simple Weight Loss & Tracker
Free

This app guides users through intermittent fasting to achieve weight loss and improve health. It offers customizable fasting plans, a timer, water tracking, and personalized recipes. Track your progress and gain insights into your body's changes.

Customizable fasting plansFasting timer and remindersWater intake tracker
💪 Health & Fitness
(79K)
free with in-app purchases
15
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
16
Keto Diet Recipes
Keto Diet Recipes
Keto Diet Recipes
Low Carb Meal Planner
Free

Discover a vast collection of delicious low-carb recipes, each with detailed nutritional information. This app helps you plan meals, manage your grocery shopping by ticking off ingredients, and track your progress through recipe steps. Save your favorites and easily filter options to suit your needs.

Mouthwatering Keto recipesNutritional informationShopping list with ingredient ticking
🍔 Food & Drink
(2.9K)
free with in-app purchases
17
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
18
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
19
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
20
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

FAQ about Ketosis

What are the best ketosis apps for iPhone?
Carb Manager: Keto & Macro Log tops our ketosis apps ranking as of June 2026, with a 4.7-star average from 73K App Store ratings, and it's free to download.
Yes — 20 of the top ketosis apps we rank are free to download, including Carb Manager: Keto & Macro Log and Fasting + Intermittent Fasting.
Carb Manager: Keto & Macro Log shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 224+ ketosis apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Carb Manager helps users track their carbohydrate intake, macros (protein, fat, carbs), and calories, making it simple to follow low-carb and ketogenic diets. It offers tools for logging meals, scanning barcodes, and accessing recipes to support a healthy lifestyle.
Key features include unlimited free barcode scanning, free net carb tracking, a macro calculator, calorie counter, intermittent fasting tracker, over 5,000 keto recipes, and community support. Premium features offer advanced diabetes tracking and carb cycling tools.