Best Keto Fasting Apps

237+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated May 2026

Every iPhone needs a few good keto fasting apps. We benchmark 237+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Keto Fasting

Zero: Fasting Tracker App#1

Zero: Fasting Tracker App by Zero Longevity Science, Inc.

Intermittent Fasting Timer
Editor's Choice
💪 Health & Fitness
4.7😊(42K ratings)
FreeIn-App Purchases
#94in Health & Fitness
Zero: Fasting Tracker App screenshot 1
Zero: Fasting Tracker App screenshot 2
Zero: Fasting Tracker App screenshot 3
Zero: Fasting Tracker App screenshot 4
Zero: Fasting Tracker App screenshot 5
Zero: Fasting Tracker App screenshot 6

Achieve your health goals with an app that tracks fasting schedules, provides personalized recommendations, and offers a community for support and motivation. Start your journey towards better health today.

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
Senza: Keto & Fasting#2

Senza: Keto & Fasting by 527H

Coaches | Meal Plans | Macros
Strong Contender
💪 Health & Fitness
4.8😊(11K ratings)
Free
Senza: Keto & Fasting screenshot 1
Senza: Keto & Fasting screenshot 2
Senza: Keto & Fasting screenshot 3
Senza: Keto & Fasting screenshot 4
Senza: Keto & Fasting screenshot 5

Senza is a comprehensive app for tracking and planning keto meals, offering personalized recipes, food logs, and shopping lists tailored to ketogenic diet needs. Start your journey to better health today with Senza!

What We Love

  • 👍 Great app for tracking macros and weight loss
  • 🚀 Easy to use and intuitive interface
  • 🔍 Helpful food database and barcode scanning
  • 💡 Useful features like recipes, restaurant guides, and coaching

Room to Improve

  • 🐛 Issues with scanning and logging food accurately
  • 🔍 Limited food database, especially for non-US users
  • 🔍 Difficulty customizing measurements and recipes
BodyFast: Intermittent Fasting#3

BodyFast: Intermittent Fasting by BodyFast GmbH

Weight Loss Diet, Meal Tracker
Worth Considering
💪 Health & Fitness
4.7😊(144K ratings)
FreeAdsIn-App Purchases
BodyFast: Intermittent Fasting screenshot 1
BodyFast: Intermittent Fasting screenshot 2
BodyFast: Intermittent Fasting screenshot 3
BodyFast: Intermittent Fasting screenshot 4
BodyFast: Intermittent Fasting screenshot 5
BodyFast: Intermittent Fasting screenshot 6

Stay healthy and track your 16:8 intermittent fasting with our weight loss application. Achieve your fitness goals easily with personalized fasting plans, progress tracking, and reminders to stay on track. Start your journey towards a healthier lifestyle today!

What We Love

  • 👍 Easy to use
  • 🚀 Helpful for weight loss
  • 💪 Effective for fasting
  • 🔔 Useful reminders and notifications

Room to Improve

  • 🤔 Confusing to adjust fasting times
  • 💰 Expensive subscription
  • 🔒 Difficult to cancel subscription

More Keto Fasting 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

Track your daily macronutrients intake and plan meals with the Keto diet app. Stay on top of your low-carb diet goals effortlessly.

💪 Health & Fitness
(62K)
5
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Carb Manager: Keto & Macro Log
Macro, Food & Calorie Counter
Free

Track your daily macronutrients and food intake with precision using this app, designed to help you achieve your keto diet goals effortlessly. Enhance your health journey today!

💪 Health & Fitness
(73K)
6
KetoDiet: Fasting & Meal Plans
KetoDiet: Fasting & Meal Plans
KetoDiet: Fasting & Meal Plans
Diet tracker with AI assistant
Free

Track your meals, discover low-carb recipes, and monitor your progress towards a healthier lifestyle with this app. Start your keto journey today!

💪 Health & Fitness
(2.4K)
7
Fasting + Intermittent Fasting
Fasting + Intermittent Fasting
Fasting + Intermittent Fasting
Fasting Tracker - Lose Weight
Free

Track your intermittent fasting effortlessly with a user-friendly app designed to help you lose weight and improve overall health. Personalized meal plans, expert coaching, and a variety of fasting plans make it easy to achieve your goals. Download now for free and start your journey to a healthier lifestyle.

💪 Health & Fitness
(6.6K)
8
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Stupid Simple Keto Diet App
Low Carb Diet & Macros Manager
Free

This keto diet app offers a user-friendly interface for tracking low-carb meals, creating shopping lists, and accessing recipes. It simplifies the process of following a ketogenic diet for better health and weight management. Start your keto journey today!

💪 Health & Fitness
(8.9K)
9
Fasting Tracker • Easy Fast
Fasting Tracker • Easy Fast
Fasting Tracker • Easy Fast
Intermittent Fasting Timer
Free

Achieve effortless intermittent fasting with our user-friendly app that helps streamline your fasting routine. Take control of your health and wellness today – download now!

💪 Health & Fitness
(7.6K)
10
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Keto Diet App - Carb Tracker
Weight Loss, Meal Plan, Recipe
Free

Experience personalized weight loss support with a comprehensive keto diet app. Track macros effortlessly, access hundreds of recipes, and get expert guidance in reaching your goals quickly and efficiently. Start your journey towards better health today!

💪 Health & Fitness
(81K)
11
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Protein, Tracker, Nutrition
Free

Get personalized meal plans, track your fasting schedule, and access a community for support on your health journey. Join thousands in achieving your wellness goals today!

💪 Health & Fitness
(246K)
12
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Keto Diet App: Keto Manager
Carb Cycle & Macro Tracker App
Free

Track your daily carb intake, plan meals for the ketogenic diet, and monitor your progress towards your weight goals with this comprehensive carb diet app. Stay on track and achieve your health objectives easily.

💪 Health & Fitness
(9.4K)
13
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
Healthy diet & macros diary
Free

Get the app that guides you through intermittent fasting with personalized meal plans, progress tracking, water intake reminders, and expert advice - all to help you achieve your health goals. Start your journey to a healthier you today!

💪 Health & Fitness
(4.8K)
14
30 Day Fitness at Home
30 Day Fitness at Home
30 Day Fitness at Home
Home Workout for Women To Burn
Free

Get in shape with our 30-day home fitness program designed for men. Work out anytime, anywhere with personalized routines and progress tracking. Start your fitness journey today!

💪 Health & Fitness
(301)
15
Prime: Intermittent Fasting
Prime: Intermittent Fasting
Prime: Intermittent Fasting
The fasting app for women
Free

The Prime: Intermittent Fasting App is designed exclusively for women, offering a 16:8 fasting protocol, weight tracking, water tracking, personal recommendations, community support, and more. Take control of your health, achieve your fitness goals, and enjoy the benefits of intermittent fasting. Download now and start your journey to a healthier you!

💪 Health & Fitness
(4.6K)
16
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Keto Cycle: Keto Diet App
Low Carb Meal Plans & Tracker
Free

Get personalized low-carb meal plans and recipes tailored to your specific dietary needs with our Keto Diet App. Achieve your health goals and track your progress easily. Start your healthy journey today!

💪 Health & Fitness
(5.6K)
17
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto Calculator - Keto Buddy
Keto/low carb macro calculator
Free

This application is a Keto/low carb macro calculator that helps users determine their ideal food intake for ketogenic and low-carb diets. It is free to use with no subscriptions, ads, sign-ups, or compromises on user privacy. Users can leave reviews to support the app.

💪 Health & Fitness
(8.4K)
18
Diet Doctor
Diet Doctor
Diet Doctor
Low-carb & keto
Free

Get in shape with our comprehensive low-carb diet app designed to help you track your meals, plan your menu, and achieve your weight loss goals effectively. Start your journey to a healthier lifestyle today!

🍔 Food & Drink
(4.4K)
19
Intermittent Fasting and Diet.
Intermittent Fasting and Diet.
Intermittent Fasting and Diet.
Eating Timer & Weight Traсker
Free

This application helps users track their fasting and eating cycles through a timer and provides guidance on intermittent fasting and diet plans. Start your journey to health and wellness today with our easy-to-use app!

💪 Health & Fitness
(5.2K)
20
Intermittent Fasting Tracker!
Intermittent Fasting Tracker!
Intermittent Fasting Tracker!
Weight Loss: Fast・Easy・No Diet
Free

Track your intermittent fasting journey effortlessly with this app, tailored for weight loss, health improvement, and more. Set fasting goals, monitor your progress with a timer, receive notifications, and sync fitness data for personalized fasting plans. Start your fasting success today!

💪 Health & Fitness
(2K)

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