Best Intermittent Fasting Free Water Apps

239+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated May 2026

The best intermittent fasting free water apps on iPhone average 4.7★ across 239+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.

Compare top Intermittent Fasting Free Water Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fastin: Intermittent FastingFastin: Intermittent FastingFree4.8★ (10K)NoYesJul 2026
2BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (144K)YesYesJul 2026
3Fasting + Intermittent FastingFasting + Intermittent FastingFree4.8★ (6.6K)NoYesJul 2026
4Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesJul 2026
5Fasting App: Tracker & TimerFasting App: Tracker & TimerFree4.7★ (4.8K)NoYesJul 2026
6Window - Intermittent FastingWindow - Intermittent FastingFree4.5★ (11K)YesYesJul 2026
7Prime: Intermittent FastingPrime: Intermittent FastingFree4.6★ (4.6K)YesYesJul 2026
8FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)YesYesJul 2026

Top Picks for Intermittent Fasting Free Water

Fastin: Intermittent Fasting#1

Fastin: Intermittent Fasting by BONGMI LIMITED

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
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

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
Fasting + Intermittent Fasting#3

Fasting + Intermittent Fasting by Byte Puls d.o.o.

Fasting Tracker - Lose Weight
Worth Considering
💪 Health & Fitness
4.8😊(6.6K ratings)
FreeIn-App Purchases
Fasting + Intermittent Fasting screenshot 1
Fasting + Intermittent Fasting screenshot 2
Fasting + Intermittent Fasting screenshot 3
Fasting + Intermittent Fasting screenshot 4
Fasting + Intermittent Fasting screenshot 5
Fasting + Intermittent Fasting screenshot 6

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.

What We Love

  • ⭐ Excellent tracking and visualization
  • 👍 Simple and easy to use
  • 💪 Helps stay motivated and on track
  • 🔍 Detailed information on fasting stages

Room to Improve

  • 🔍 Lack of advanced features (food/exercise logging)
  • 💸 Subscription model not well-received
  • 🔈 Intrusive ads and pop-ups

More Intermittent Fasting Free Water apps to explore

4
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Zero: Fasting & Food Tracker
Intermittent Fasting Timer
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
5
Fasting App: Tracker & Timer
Fasting App: Tracker & Timer
Fasting App: Tracker & Timer
Intermittent Fasting for Body
Free

This app guides users through intermittent fasting for weight loss and improved health. It offers simple tracking, personalized plans, and smart notifications to help establish healthy habits without restrictive diets.

Intermittent fasting guidanceWeight loss without restrictive dietsOMAD and 16/8 timer options
💪 Health & Fitness
(4.8K)
free with in-app purchases
6
Window - Intermittent Fasting
Window - Intermittent Fasting
Window - Intermittent Fasting
Fast Tracker & Eating Timer
Free

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.

Fasting timerWeight journalWater tracker
💪 Health & Fitness
(11K)
freemium
7
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
8
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
9
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
10
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
11
Intermittent Fasting and Diet.
Intermittent Fasting and Diet.
Intermittent Fasting and Diet.
Eating Timer & Weight Traсker
Free

This app guides you on a journey to a healthier lifestyle by improving your metabolism and aiding in weight loss. It offers tools to track your eating habits, monitor weight, and access informative articles. A personal fasting consultant is available in the paid version.

Fasting timer with tipsAdvanced fasting statisticsCustomized fasting plans
💪 Health & Fitness
(5.2K)
free with in-app purchases
12
Fasting Tracker • Easy Fast
Fasting Tracker • Easy Fast
Fasting Tracker • Easy Fast
Intermittent Fasting Timer
Free

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.

Intermittent fasting timerWater tracking with remindersWeight tracking
💪 Health & Fitness
(8K)
freemium
13
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
14
Suavita: Fasting Tracker App
Suavita: Fasting Tracker App
Suavita: Fasting Tracker App
Intermittent Fasting & Water
Free

This app helps users track various fasting durations, from intermittent routines to multi-day water fasts. It provides timers, reminders, and progress tracking to support users in achieving their fasting goals and building healthy habits. It offers features for both beginners and experienced fasters.

Intermittent fasting trackingLong-term fasting supportCustomizable fasting presets
💪 Health & Fitness
(3.5K)
free with in-app purchases
15
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
16
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
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
NutriWalking - Step Counter
NutriWalking - Step Counter
NutriWalking - Step Counter
Intermittent Fasting Tracker
Free

This app combines step tracking with intermittent fasting to promote a healthy lifestyle. It helps you monitor your activity, manage fasting periods, analyze food, and learn about nutrition. Achieve your wellness goals through mindful eating and consistent movement.

Step counterIntermittent fasting trackerFood scanner with nutrition analysis
💪 Health & Fitness
(6.5K)
subscription
19
16/8: Fasting & Water Tracker
16/8: Fasting & Water Tracker
16/8: Fasting & Water Tracker
Intermittent Fasting Hydration
Free

This app simplifies intermittent fasting with a 16:8 schedule and integrates hydration tracking to enhance your fasting experience. It helps you build a consistent daily routine for better focus and sustained fasting.

One-tap 16:8 fasting startInstant fasting status displayWater intake logging
💪 Health & Fitness
(7)
freemium
20
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

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 May 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 May 2026.
We track 239+ intermittent fasting free water apps on the iOS App Store as of May 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.