Best Water Fasting Free Apps

250+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Out of 250+ water fasting free apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Water Fasting Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tend - Fasting & stay hydratedTend - Fasting & stay hydratedFreeNoJul 2026
2Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (12K)NoNoAug 2026
3Fasting Tracker • Easy FastFasting Tracker • Easy FastFree5.0★ (8.4K)NoYesAug 2026
4Drink water: Drinking reminderDrink water: Drinking reminderFree4.6★ (22K)YesYesAug 2026
5H2 flow water fastingH2 flow water fastingFree3.0★ (4)NoYesJul 2026
6Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesAug 2026
7BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesAug 2026
8Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesAug 2026

Top Picks for Water Fasting Free

Fasting Tracker & Diet App#2

Fasting Tracker & Diet App by Hendrik Folkerts

Simple Fast Timer 16:8 & 5:2
Strong Contender
💪 Health & Fitness
4.6😊(12K ratings)
Free
Fasting Tracker & Diet App screenshot 1
Fasting Tracker & Diet App screenshot 2
Fasting Tracker & Diet App screenshot 3

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.

What We Love

  • 🚀 Great app
  • 👍 Simple and easy to use
  • 💡 Helpful for tracking fasting
  • 🚀 Effective for weight loss

Room to Improve

  • 🐛 Cannot edit start/stop times
  • 🐛 Inaccurate fasting history tracking
  • 🐛 Continues running timer after fast ends
Fasting Tracker • Easy Fast#3

Fasting Tracker • Easy Fast by Samtark Pty Ltd

Intermittent Fasting Timer
Worth Considering
💪 Health & Fitness
5.0😊(8.4K 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

Room to Improve

  • 🐛 Occasional app freezes or crashes
  • 🔒 No user account/data sync across devices
  • 🐛 Issues with lock screen/home screen widgets

More Water Fasting Free apps to explore

4
Drink water: Drinking reminder
Drink water: Drinking reminder
Drink water: Drinking reminder
Water drinking reminder
Free

This app helps you track your daily water intake and reminds you to drink regularly. It calculates your personalized daily water goal based on your gender and weight, and offers features like a diverse drink menu and smart reminders to help you build healthy hydration habits.

Personalized daily water goal calculationWater intake tracking with historySmart reminders with customizable intervals
💪 Health & Fitness
(22K)
free with in-app purchases
5
H2 flow water fasting
H2 flow water fasting
H2 flow water fasting
your water-fast companion
Free

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.

Hydration trackingMindful guidanceScience-based tools
💪 Health & Fitness
(4)
free
6
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
7
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
8
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
9
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
10
3-Day Fast - 72h Water Fast
3-Day Fast - 72h Water Fast
3-Day Fast - 72h Water Fast
Autophagy Timer & Tracker
Free

This app guides users through 72-hour water fasts, tracking 8 science-backed phases in real-time. It provides information on safe supplements, how to break a fast, and unlocks benefits at key milestones.

Real-time tracking of 8 fasting phasesScience-backed autophagy progressionSupplement safety guide
💪 Health & Fitness
(1)
free with in-app purchases
11
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
(3.7K)
free with in-app purchases
12
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
13
Drink Water: Hydration Tracker
Drink Water: Hydration Tracker
Drink Water: Hydration Tracker
Hydration Tracker & Daily Log
Free
💪 Health & Fitness
(0)
14
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
15
Phasty: Water Fasting Tracker
Phasty: Water Fasting Tracker
Phasty: Water Fasting Tracker
Hydrate, Track & Lose Weight
Free
💪 Health & Fitness
(0)
16
WaterFast: IF Fasting Timer
WaterFast: IF Fasting Timer
WaterFast: IF Fasting Timer
16:8 Intermittent Fast Tracker
Free

This app provides a synchronized intermittent fasting timer designed for seamless use across your iPhone and Apple Watch. It offers detailed insights into fasting zones and hydration tracking, with a focus on privacy and a user-friendly experience.

Synchronized iPhone and Apple Watch timerFasting zone insightsHydration tracking
💪 Health & Fitness
(2)
freemium
17
Water Fasting : Beyond
Water Fasting : Beyond
Water Fasting : Beyond
Fasting Tracker, Weight Loss
Free
💪 Health & Fitness
(0)
18
Fasting Friend
Fasting Friend
Fasting Friend
Fasting Made Fun and Easy
$8.99
💪 Health & Fitness
(0)
19
Fasting Path:
Fasting Path:
Fasting Path:
Intermittent Fasting Tracker
Free
💪 Health & Fitness
(0)
20
FastLog: Intermittent  Fasting
FastLog: Intermittent  Fasting
FastLog: Intermittent Fasting
Fasting track, Water , Weight
Free

Track your fasting periods, water intake, and weight with this simple tool. Receive notifications when you reach your fasting goals and view detailed graphs to stay motivated on your weight loss journey.

Fasting timer with notificationsWater intake trackingWeight logging
💪 Health & Fitness
(1)
free