Best Intermittent Fasting App

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

Whether you're new to intermittent fasting app or looking for an upgrade, our curated collection of 250+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Intermittent Fasting App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesAug 2026
2BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesAug 2026
3Fastic Weight Loss & FastingFastic Weight Loss & FastingFree4.8★ (246K)NoYesAug 2026
4Intermittent Fasting Tracker:Intermittent Fasting Tracker:Free4.9★ (50K)NoYesAug 2026
5Intermittent Fasting Tracker ⁺Intermittent Fasting Tracker ⁺Free4.9★ (951)YesYesAug 2026
6FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesAug 2026
7Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesAug 2026
8intermittent fasting Appintermittent fasting AppFree4.0★ (1)NoNoMay 2026

Top Picks for Intermittent Fasting App

Zero: Fasting & Food Tracker#1

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

Protein & Calorie Calculator
Editor's Choice
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#100in 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

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
BodyFast: Intermittent Fasting#2

BodyFast: Intermittent Fasting by BodyFast GmbH

Track Calories, Macros, Weight
Strong Contender
💪 Health & Fitness
4.7😊(145K ratings)
FreeIn-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

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.

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
Fastic Weight Loss & Fasting#3

Fastic Weight Loss & Fasting by HealthVida GmbH & Co. KG.

Protein, Tracker, Nutrition
Worth Considering
💪 Health & Fitness
4.8😊(246K ratings)
FreeIn-App Purchases
Fastic Weight Loss & Fasting screenshot 1
Fastic Weight Loss & Fasting screenshot 2
Fastic Weight Loss & Fasting screenshot 3
Fastic Weight Loss & Fasting screenshot 4
Fastic Weight Loss & Fasting screenshot 5
Fastic Weight Loss & Fasting screenshot 6

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.

What We Love

  • 🚀 Easy to use and track food, sleep, water and activities
  • 🚀 Helpful for tracking fasting programs
  • 👍 Motivating and encouraging
  • 👍 Informative and educational

Room to Improve

  • 🐛 Inaccurate food tracking and calorie counting
  • 🐛 Glitches with fasting timer and progress tracking
  • 🔍 Limited dietary preferences and meal plans

More Intermittent Fasting App apps to explore

4
Intermittent Fasting Tracker:
Intermittent Fasting Tracker:
Intermittent Fasting Tracker:
Simple 16:8 Fast Timer
Free

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

Interactive WidgetsNotificationsStreaks & Badges
💪 Health & Fitness
(50K)
free with in-app purchases
5
Intermittent Fasting Tracker ⁺
Intermittent Fasting Tracker ⁺
Intermittent Fasting Tracker ⁺
Fasting App for Weight Loss
Free

This app helps you adopt an intermittent fasting eating pattern to achieve weight loss and improve metabolic health. It offers various fasting plans and tracks your progress, including weight and body status.

Customizable fasting plansWeight trackingBody status monitoring
💪 Health & Fitness
(951)
free with in-app purchases
6
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
7
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Intermittent Fasting Tracker -
Easy Fast Timer, Lose Weight
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
(29K)
freemium
8
intermittent fasting App
intermittent fasting App
intermittent fasting App
Intermittent Fasting Tracker
Free

This app helps you track your intermittent fasting schedule to support healthy weight loss and fitness goals. It provides a countdown timer, educational content on fasting benefits, and recipe ideas to complement your eating plan.

Fasting countdown timerTrack fasting periodsEducational content on fasting
💪 Health & Fitness
(1)
free
9
Inter Fast Tracker
Inter Fast Tracker
Inter Fast Tracker
by Muhammed Rafeeque K K
Free
🔧 Utilities
(0)
10
Fasty - Intermittent Fasting
Fasty - Intermittent Fasting
Fasty - Intermittent Fasting
Fast 16:8 Tracker Timer
Free

This app offers a straightforward and privacy-focused way to track intermittent fasting. It provides tools for timing fasts, monitoring weight and BMI, and maintaining progress streaks without requiring sign-up or displaying ads.

One-tap fasting timerMultiple fasting programsCustom fast durations
💪 Health & Fitness
(334)
free with in-app purchases
11
16:8・Intermittent fasting app
16:8・Intermittent fasting app
16:8・Intermittent fasting app
AI Calorie Tracker・Weight loss
Free

This app guides users through intermittent fasting with personalized plans and convenient tracking tools. It helps manage weight, boost energy, and improve overall health with customizable reminders.

Personalized intermittent fasting plansFasting and eating window trackingCustomizable start/end reminders
💪 Health & Fitness
(63)
free with in-app purchases
12
Prime: Intermittent Fasting
Prime: Intermittent Fasting
Prime: Intermittent Fasting
The fasting app for women
Free

This app offers a tailored intermittent fasting experience for women, featuring a fasting tracker, weight monitoring, and personalized guidance. It helps users achieve fitness goals, manage weight, and understand the health benefits of fasting with a focus on women's specific needs.

Fasting tracker (16:8 protocol)Weight trackerWater tracker with reminders
💪 Health & Fitness
(4.6K)
free with in-app purchases
13
Atrest: Intermittent Fasting
Atrest: Intermittent Fasting
Atrest: Intermittent Fasting
Fast quietly. Grow a forest.
Free
💪 Health & Fitness
(0)
14
Simple Fasting App
Simple Fasting App
Simple Fasting App
No ads, no data, just fasting!
Free

This app simplifies intermittent fasting with a focus on privacy and ease of use. It offers popular fasting schedules, progress tracking, and smart notifications without ads, subscriptions, or data collection.

Free and privatePopular fasting schedulesProgress tracking
💪 Health & Fitness
(3)
free
15
Pinchly: Intermittent Fasting
Pinchly: Intermittent Fasting
Pinchly: Intermittent Fasting
Personalized Fasting Coach
Free
💪 Health & Fitness
(0)
16
FastIQ: Fasting & Calorie AI
FastIQ: Fasting & Calorie AI
FastIQ: Fasting & Calorie AI
Food Tracker & Weight Loss
Free

This app combines intermittent fasting tracking with AI-powered calorie counting. Simply take a photo of your meal for instant logging of calories and macros. It helps you manage fasting schedules, track progress, and learn about nutrition for lasting results.

AI food logging via photoIntermittent fasting timerCustomizable fasting schedules
💪 Health & Fitness
(19)
freemium
17
Simple Fasting
Simple Fasting
Simple Fasting
Intermittent fasting aid
Free
💪 Health & Fitness
(0)
18
FastMode: Intermittent Fasting
FastMode: Intermittent Fasting
FastMode: Intermittent Fasting
Track fasting & reach goals
Free
💪 Health & Fitness
(0)
19
Marble: Intermittent Fasting
Marble: Intermittent Fasting
Marble: Intermittent Fasting
Simple Fasting Tracker
Free

This app helps you track intermittent fasting with personalized schedules and timers. It offers home screen widgets for easy monitoring and prioritizes user privacy by syncing data via iCloud without collection.

Personalized fasting schedulesNext fast timerHome screen widgets
💪 Health & Fitness
(1)
freemium
20
Intermittent: Fasting Tracker
Intermittent: Fasting Tracker
Intermittent: Fasting Tracker
Smart Fasting. Real Science.
Free

This app tracks your fasting journey in real time, providing science-backed insights into your body's metabolic stages. It helps you build consistent habits with customizable goals, streaks, and progress tracking.

Real-time fast trackingMetabolic stage insightsCustomizable fasting windows
💪 Health & Fitness
(0)
subscription

FAQ about Intermittent Fasting App

What is the best intermittent fasting app for iPhone?
Zero: Fasting & Food Tracker tops our intermittent fasting app ranking as of July 2026, with a 4.8-star average from 445K App Store ratings, and it's free to download.
Yes — 20 of the top intermittent fasting app we rank are free to download, including Zero: Fasting & Food Tracker and BodyFast: Intermittent Fasting.
Zero: Fasting & Food Tracker has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 250+ intermittent fasting app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Zero is an all-in-one fasting tracker and nutrition app designed to help users achieve real body composition changes. It integrates intermittent fasting timers, protein tracking, meal logging, hydration, and habit tracking to provide a comprehensive approach to weight loss and metabolic health.
Key features include timers and streaks for intermittent fasting, smart meal logging with photo recognition for instant macro and protein analysis, personalized daily protein target tracking, water and habit tracking, and science-based insights from experts on fasting and nutrition.

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