Best Intermittent Fasting Free Water Apps

248+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

The best intermittent fasting free water apps on iPhone average 4.5★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Intermittent Fasting Free Water Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fastin: Intermittent FastingFastin: Intermittent FastingFree4.8★ (10K)NoYesAug 2026
2H2 flow water fastingH2 flow water fastingFree3.0★ (4)NoYesJul 2026
3Window - Intermittent FastingWindow - Intermittent FastingFree4.5★ (11K)NoYesAug 2026
4Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesAug 2026
5Nomu - Intermittent FastingNomu - Intermittent FastingFree4.8★ (56)NoNoAug 2026
6BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesAug 2026
7Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (11K)NoNoAug 2026
8Water Fasting: Tracker & TimerWater Fasting: Tracker & TimerFree5.0★ (2)NoYesJul 2026

Top Picks for Intermittent Fasting Free Water

Fastin: Intermittent Fasting#1

Fastin: Intermittent Fasting by Bongmi Global Group

Simple Weight Loss Tracker App
Editor's Choice
💪 Health & Fitness
4.8😊(10K ratings)
FreeIn-App Purchases
Fastin: Intermittent Fasting screenshot 1
Fastin: Intermittent Fasting screenshot 2
Fastin: Intermittent Fasting screenshot 3
Fastin: Intermittent Fasting screenshot 4
Fastin: Intermittent Fasting screenshot 5
Fastin: Intermittent Fasting screenshot 6

This app guides you through intermittent fasting for weight loss and improved health. It offers personalized plans, tracking tools for food, weight, water, sleep, and activity, along with educational courses on fasting and nutrition. Visualize your progress with detailed statistics to stay motivated on your journey.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use
  • 🔍 Helpful for weight loss
  • 🔍 Motivational

Room to Improve

  • 💰 Paid subscription required
  • 🔍 Limited food database
  • 🔍 Inaccurate calorie tracking
H2 flow water fasting#2

H2 flow water fasting by Martijn Nelissen

your water-fast companion
Strong Contender
💪 Health & Fitness
3.0(4 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.

Window - Intermittent Fasting#3

Window - Intermittent Fasting by Mosaic S.r.l.

Fast Tracker & Eating Timer
Worth Considering
💪 Health & Fitness
4.5😞(11K ratings)
FreeIn-App Purchases
Window - Intermittent Fasting screenshot 1
Window - Intermittent Fasting screenshot 2
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Window - Intermittent Fasting screenshot 4
Window - Intermittent Fasting screenshot 5
Window - Intermittent Fasting screenshot 6

This app helps you adopt an intermittent fasting lifestyle with science-based guidance and personalized recommendations. Track your fasting and eating periods, monitor weight loss goals, and stay hydrated. Access expert insights and challenges to build healthier habits.

What We Love

  • 🚀 Easy to use
  • 📊 Helpful data tracking
  • 🔍 Comprehensive features
  • 👍 Flexible fasting options

Room to Improve

  • 🐛 Sync issues across devices
  • 🕰️ Inconsistent time tracking
  • 💰 Expensive subscription

More Intermittent Fasting Free Water apps to explore

4
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
5
Nomu - Intermittent Fasting
Nomu - Intermittent Fasting
Nomu - Intermittent Fasting
Fasting Timer & Phase Tracker
Free

This app simplifies intermittent fasting with a user-friendly timer and progress tracker. It offers popular fasting plans, visual feedback on fasting phases, and a cute companion to keep you motivated. Track your water intake, weight, and BMI with insightful charts.

Customizable fasting plansLive fasting phase trackingStreak and progress tracking
💪 Health & Fitness
(56)
free
6
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Track Calories, Macros, Weight
Free

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.

Personalized fasting plansDaily coaching and motivation100+ recipes for fasting success
💪 Health & Fitness
(145K)
free with in-app purchases
7
Fasting Tracker & Diet App
Fasting Tracker & Diet App
Fasting Tracker & Diet App
Simple Fast Timer 16:8 & 5:2
Free

Easily manage your intermittent fasting schedule with this simple timer. Track your fasting and meal times, explore various fasting methods, and discover trends in your progress. Maintain a healthy lifestyle with a user-friendly interface.

Track fasting and meal timesChoose from multiple fasting methodsDiscover fasting trends over time
💪 Health & Fitness
(11K)
free
8
Water Fasting: Tracker & Timer
Water Fasting: Tracker & Timer
Water Fasting: Tracker & Timer
Mindful Fasts, Water & Stages
Free

Track your fasting journey with a visually engaging water orb timer. Understand your body's stages, log hydration, and gain personalized wellness insights. Offers science-backed information and a premium minimalist design.

Living water orb timer with gyroscope physicsSix science-backed fasting stagesHydration and wellness logging
💪 Health & Fitness
(2)
freemium
9
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
(49K)
free with in-app purchases
10
Intermittent Fasting — Tracker
Intermittent Fasting — Tracker
Intermittent Fasting — Tracker
Weight Loss 16:8 OMAD Coach
Free

This app simplifies intermittent fasting with visual progress tracking and insights into your body's metabolic zones. It offers various fasting plans, hydration tracking, and achievements to keep you motivated. Advanced features include body tracking, progress photos, and an AI coach for personalized guidance.

Visual fasting timer with metabolic zone insightsMultiple built-in and custom fasting plansHydration and weight/body measurement tracking
💪 Health & Fitness
(7)
freemium
11
Intermittent Fasting-Diet
Intermittent Fasting-Diet
Intermittent Fasting-Diet
Lose weight by fasting
Free

This app helps users lose weight through intermittent fasting. It offers personalized fasting plans, nutritional advice, and a water tracker. Users can also monitor weight loss progress and connect with friends for motivation.

Personalized intermittent fasting plansCustomizable fasting schedulesNutritional advice
💪 Health & Fitness
(4)
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
Fasting + Intermittent Fasting
Fasting + Intermittent Fasting
Fasting + Intermittent Fasting
Fasting Tracker - Lose Weight
Free

This app helps users achieve weight loss and improve metabolic health through intermittent fasting. It offers personalized plans, progress tracking, and coaching without dietary restrictions.

Advanced fasting and intermittent fasting trackerOver 15 free intermittent fasting plansCustomizable fasting plans
💪 Health & Fitness
(6.8K)
free with in-app purchases
14
Intermittent Fasting Skip Meal
Intermittent Fasting Skip Meal
Intermittent Fasting Skip Meal
Fasting Tracker & Weight Loss
Free

This app guides users through personalized intermittent fasting and healthy habits to support weight loss. It focuses on science-backed methods, offering features like fasting tracking, visual progress reports, quick workouts, healthy recipes, mood journaling, and guided meditations.

Advanced fasting trackerVisual progress charts10-minute bodyweight workouts
💪 Health & Fitness
(743)
free with in-app purchases
15
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
Healthy diet & macros diary
Free

This app offers personalized intermittent fasting plans to support weight loss and healthy eating. It includes trackers for calories, water, and steps, along with a vast recipe library and workout routines designed by professionals. Users receive tailored guidance and motivation to build sustainable habits.

Personalized intermittent fasting plansCalorie, fasting, water, and step trackersHealth app integration for seamless monitoring
💪 Health & Fitness
(4.8K)
subscription
16
Intermittent - Fasting Tracker
Intermittent - Fasting Tracker
Intermittent - Fasting Tracker
16:8 Timer, Weight Loss, Clock
Free

This app tracks your fasting progress by showing real-time biological phases like ketosis and autophagy. It provides science-backed explanations for each stage and supports various fasting protocols without requiring an account or subscription.

Real-time biological phase tracking (Fed, Lipolysis, Ketosis, Autophagy)Support for multiple fasting protocols (12:12 to 72-hour fasts)Free science library with cited primary sources
💪 Health & Fitness
(24)
free
17
Fasted: Intermittent Fasting
Fasted: Intermittent Fasting
Fasted: Intermittent Fasting
Fat Loss, Water Intake Tracker
Free

This app helps users achieve weight loss goals through intermittent fasting. It offers a timer, personalized plans for men and women, educational content, and tools to track water intake and weight progress.

Intermittent Fasting TimerFasting Plans for Men & WomenLearn About Fasting Method
💪 Health & Fitness
(165)
freemium
18
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
19
Fastly - Intermittent Fasting
Fastly - Intermittent Fasting
Fastly - Intermittent Fasting
Easy Weight Loss Tracking App
Free

This app helps you track intermittent fasting for weight loss and improved metabolism. It offers various fasting plans, timers, and reminders to guide your journey. Monitor your progress, water intake, and weight changes to achieve your health goals.

Intermittent fasting timerMultiple fasting stylesCustomizable schedules and reminders
💪 Health & Fitness
(16)
free with in-app purchases
20
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Protein & Calorie Calculator
Free

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.

Intermittent fasting timers and streaksSmart meal logging with photo recognitionPersonalized daily protein target tracking
💪 Health & Fitness
(445K)
freemium

FAQ about Intermittent Fasting Free Water

What are the best intermittent fasting free water apps for iPhone?
Fastin: Intermittent Fasting tops our intermittent fasting free water apps ranking as of July 2026, with a 4.8-star average from 10K App Store ratings, and it's free to download.
Fastin: Intermittent Fasting has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 248+ intermittent fasting free water apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Fastin is a simple fasting app designed to help you lose weight, improve your health, and simplify your lifestyle through intermittent fasting. It provides guidance, tracking tools, and educational content to support your fasting journey.
Key features include personalized fasting plans, tools to track food, weight, water intake, sleep, and activity, along with fasting and nutrition courses. It also offers detailed statistics to visualize your progress and stay motivated.