Best Water Fasting App

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated October 2026

The best water fasting app on iPhone average 4.7★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Water Fasting App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fasting Tracker • Easy FastFasting Tracker • Easy FastFree5.0★ (9.1K)NoYesOct 2026
2Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesOct 2026
3H2 flow water fastingH2 flow water fastingFree3.4★ (5)NoYesOct 2026
4Water Fasting: Tracker & TimerWater Fasting: Tracker & TimerFree5.0★ (4)NoYesOct 2026
5Simple: AI Weight Loss CoachSimple: AI Weight Loss CoachFree4.7★ (410K)NoYesOct 2026
6Water Reminder - Daily TrackerWater Reminder - Daily TrackerFree4.7★ (79K)NoYesOct 2026
7BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (146K)NoYesOct 2026
8FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesOct 2026

Top Picks for Water Fasting App

Fasting Tracker • Easy Fast#1

Fasting Tracker • Easy Fast by Samtark Pty Ltd

Intermittent Fasting Timer
Editor's Choice
💪 Health & Fitness
5.0😊(9.1K ratings)
FreeIn-App Purchases
Fasting Tracker • Easy Fast screenshot 1
Fasting Tracker • Easy Fast screenshot 2
Fasting Tracker • Easy Fast screenshot 3
Fasting Tracker • Easy Fast screenshot 4
Fasting Tracker • Easy Fast screenshot 5
Fasting Tracker • Easy Fast screenshot 6

This app helps you track intermittent fasting with a simple, ad-free timer. It offers core features for free, with optional Pro upgrades for advanced tracking, widgets, and Apple Watch integration. Your data is kept private with no account required.

What We Love

  • 🚀 Easy to use
  • 👍 Simple and straightforward interface
  • 🚀 Flexible fasting options
  • 🚀 Detailed fasting progress tracking
  • 👍 Customizable display
  • 🚀 No ads or paywalls
  • 👍 Free with optional donations

Room to Improve

  • 🐛 Occasional app freezes or crashes
  • 🔒 No user account/data sync across devices
  • 🐛 Issues with lock screen/home screen widgets
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
H2 flow water fasting#3

H2 flow water fasting by Martijn Nelissen

your water-fast companion
Worth Considering
💪 Health & Fitness
3.4(5 ratings)
FreeIn-App Purchases
H2 flow water fasting screenshot 1
H2 flow water fasting screenshot 2
H2 flow water fasting screenshot 3
H2 flow water fasting screenshot 4
H2 flow water fasting screenshot 5

This app guides users through water fasting with hydration tracking and mindful prompts. It offers science-based tools to support metabolic renewal and help users achieve fasting goals, from short to multi-day protocols.

More Water Fasting App apps to explore

FAQ about Water Fasting App

What is the best water fasting app for iPhone?
Fasting Tracker • Easy Fast tops our water fasting app ranking as of October 2026, with a 5.0-star average from 9.1K App Store ratings, and it's free to download.
Yes — 20 of the top water fasting app we rank are free to download, including Fasting Tracker • Easy Fast and Zero: Fasting & Food Tracker.
Fasting Tracker • Easy Fast has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ water fasting app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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