Best Certified Fasting Apps

243+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

Out of 243+ certified fasting 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.

Top Picks for Certified Fasting

Zero: Fasting & Food Tracker#1

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

Intermittent Fasting Timer
Editor's Choice
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#98in Health & Fitness
Zero: Fasting & Food Tracker screenshot 1
Zero: Fasting & Food Tracker screenshot 2
Zero: Fasting & Food Tracker screenshot 3
Zero: Fasting & Food Tracker screenshot 4
Zero: Fasting & Food Tracker screenshot 5
Zero: Fasting & Food Tracker 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
BodyFast: Intermittent Fasting#2

BodyFast: Intermittent Fasting by BodyFast GmbH

Weight Loss Diet, Meal Tracker
Strong Contender
💪 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 Certified Fasting apps to explore

4
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)
5
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
FastEasy: Intermittent Fasting
Simple Weight Loss & Tracker
Free

Lose weight effortlessly with our intuitive intermittent fasting app. Track your fasting schedule, monitor progress, and achieve your weight loss goals with ease. Try it now for a healthier you!

💪 Health & Fitness
(79K)
6
Fasting App: Tracker & Timer
Fasting App: Tracker & Timer
Fasting App: Tracker & Timer
Intermittent Fasting for Body
Free

Get your health back on track with our fasting app! Monitor your fasting periods, track progress, set goals, and get personalized recommendations to achieve a healthier lifestyle. Start your journey to better health today.

💪 Health & Fitness
(4.8K)
7
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)
8
FastHabit Intermittent Fasting
FastHabit Intermittent Fasting
FastHabit Intermittent Fasting
Track your fasts and progress
Free

Track your intermittent fasting progress effortlessly with this app. Set fasting lengths, receive reminders, sync with Apple HealthKit, and enjoy features like weight tracking and calendar views to stay motivated and achieve your fasting goals.

💪 Health & Fitness
(14K)
9
Fastin: Intermittent Fasting
Fastin: Intermittent Fasting
Fastin: Intermittent Fasting
Simple Weight Loss Tracker App
Free

"Discover the power of intermittent fasting with our weight loss tracker app. Shift your eating schedule to lose weight, improve health, and simplify your lifestyle. Join us on the fasting journey towards a longer, healthier life!"

💪 Health & Fitness
(10K)
10
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)
11
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)
12
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)
13
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Kompanion: Weight Loss Plan
Intermittent Fasting & Diet
Free

"Experience effortless weight loss with our innovative intermittent fasting app. Take control of your eating habits and achieve your health goals with personalized fasting schedules and tracking tools. Start your journey to a healthier you today!"

💪 Health & Fitness
(9.3K)
14
Intermittent Fasting Tracker ™
Intermittent Fasting Tracker ™
Intermittent Fasting Tracker ™
Simple intermittent fasting
Free

A fasting tracker app that supports personalized intermittent fasting plans, offers insights on body stages, mood tracking, educational resources, and motivation tools. Start and end fasts with a timer, create custom plans, and access premium content to enhance your fasting experience. Take charge of your fasting journey and achieve your weight goals with ease.

💪 Health & Fitness
(2.3K)
15
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Fasting App: Lose Weight Fast
Free

An intuitive fasting app that guides you through various fasting plans to help you lose weight effectively and feel more active. With features like timers, statistics tracking, and personalized insights, it supports both beginners and experienced users on their fasting journey. Subscribe to access all features for personalized fasting experience.

💪 Health & Fitness
(28K)
16
Window - Intermittent Fasting
Window - Intermittent Fasting
Window - Intermittent Fasting
Fast Tracker & Eating Timer
Free

Track your intermittent fasting schedule, log your meals, set fasting goals, and stay on track with personalized reminders. Start your fasting journey today!

💪 Health & Fitness
(11K)
17
Suavita: Fasting Tracker App
Suavita: Fasting Tracker App
Suavita: Fasting Tracker App
Intermittent Fasting & Water
Free

Track your long fasts effortlessly with this application. Monitor your fasting progress, set goals, receive reminders, and access helpful resources to support your fasting journey. Start your journey to better health today!

💪 Health & Fitness
(3.5K)
18
Intermittent Fasting - MyFast
Intermittent Fasting - MyFast
Intermittent Fasting - MyFast
Zero Calorie Fast Weight Loss
Free

Track your intermittent fasting and weight loss journey with our easy-to-use app. Schedule your fasting and eating windows, track water intake, and visualize your progress with charts. Download now to start your fasting routine!

🍔 Food & Drink
(3.2K)
19
IF: Intermittent Fasting 16:8
IF: Intermittent Fasting 16:8
IF: Intermittent Fasting 16:8
Lose Weight Fast - No Diet
Free

An easy-to-use weight loss app that simplifies Intermittent Fasting with daily coaching, personalized recipes, and fasting trackers. Join the fasting community, track your fasting and eating windows, receive reminders, and achieve your ideal weight effortlessly. Download now for free and start your journey to a healthier lifestyle.

💪 Health & Fitness
(2.6K)
20
Intermittent Fasting Planner +
Intermittent Fasting Planner +
Intermittent Fasting Planner +
Simple Diet fоr Women
Free

Intermittent Fasting App - Your Personal Fasting Coach. Kickstart your fasting journey with tailored plans, customizable fasting timers, weight loss monitoring, and insights to enhance your health. Join millions worldwide and start your transformation today!

💪 Health & Fitness
(91)