Best Intermittent Fasting App

250+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated September 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 (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesSep 2026
2Intermittent Fasting Tracker:Intermittent Fasting Tracker:Free4.9★ (51K)NoYesSep 2026
3intermittent fasting Appintermittent fasting AppFree4.0★ (1)NoNoAug 2026
4BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesSep 2026
5Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesSep 2026
6Fastic Weight Loss & FastingFastic Weight Loss & FastingFree4.8★ (246K)NoYesSep 2026
7FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesSep 2026
8Intermittent Fasting Tracker®Intermittent Fasting Tracker®Free—NoYesSep 2026

Top Picks for Intermittent Fasting App

4.8😊(445K ratings)
FreeIn-App Purchases
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
  • 🤝 Sense of community
  • 🎉 Motivating badges and challenges

Room to Improve

  • 💰 Expensive premium subscription
  • 🔒 Forced account creation
  • 🙄 Intrusive ads and upsells
  • 🤔 Inconsistent or confusing UI changes
  • 🐛 Syncing and login issues
  • 🙅‍♀️ Lack of free features
Intermittent Fasting Tracker:#2

Intermittent Fasting Tracker: by Kai Oelfke

Simple 16:8 Fast Timer
Strong Contender
💪 Health & Fitness
4.9😊(51K ratings)
FreeIn-App Purchases
Intermittent Fasting Tracker: screenshot 1
Intermittent Fasting Tracker: screenshot 2
Intermittent Fasting Tracker: screenshot 3
Intermittent Fasting Tracker: screenshot 4
Intermittent Fasting Tracker: screenshot 5
Intermittent Fasting Tracker: screenshot 6

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.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward fasting tracking
  • 🔒 No ads or subscriptions
  • 💡 Customizable fasting times
  • 👍 Clean and intuitive interface
  • 🚀 Seamless integration with Apple Health
  • 👍 Helpful fasting stage information
  • 💡 Ability to edit start/end times
  • 👍 Useful statistics and progress tracking

Room to Improve

  • 🐛 Occasional issues with time tracking
  • 💡 Desire for more customization options
  • 💡 Request for monthly/yearly fasting view
  • 💡 Interest in adding notes or logging features

More Intermittent Fasting App apps to explore

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 September 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 Intermittent Fasting Tracker:.
Zero: Fasting & Food Tracker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ intermittent fasting app on the iOS App Store as of September 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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