Best H2 Flow Water Fasting Apps

230+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

H2 flow water fasting is the household name in h2 flow water fasting, but it's far from the only option. We track 230+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for H2 Flow Water Fasting

H2 flow water fasting#1

H2 flow water fasting by Martijn Nelissen

your water-fast companion
Editor's Choice
💪 Health & Fitness
2.3(3 ratings)
FreeIn-App Purchases
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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.

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
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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
Zero: Fasting & Food Tracker#3

Zero: Fasting & Food Tracker by Zero Longevity Science, Inc.

Intermittent Fasting Timer
Worth Considering
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#100in Health & Fitness
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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

Room to Improve

  • 💰 Expensive premium subscription
  • 🔒 Forced account creation
  • 🙄 Intrusive ads and upsells

More H2 Flow Water Fasting apps to explore

4
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
(7.8K)
freemium
5
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
6
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
7
Fastin: Intermittent Fasting
Fastin: Intermittent Fasting
Fastin: Intermittent Fasting
Simple Weight Loss Tracker App
Free

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.

Personalized fasting plansFood, weight, water, sleep, and activity trackingFasting and nutrition courses
💪 Health & Fitness
(10K)
subscription
8
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
(6.6K)
free with in-app purchases
9
Sunrise - Intermittent Fasting
Sunrise - Intermittent Fasting
Sunrise - Intermittent Fasting
Intermittent Fasting Tracker
Free

This app helps users track intermittent fasting progress, build healthy habits, and stay motivated. It offers a fasting timer, history tracking, and educational content. Supports various fast types and integrates with Apple Health.

Live fasting progress updatesFasting timer countdownsView fasting history and stats
💪 Health & Fitness
(9.6K)
free with in-app purchases
10
Water Time - My Drink Reminder
Water Time - My Drink Reminder
Water Time - My Drink Reminder
Water Balance hydration app
Free

This app provides customizable reminders to help you stay hydrated throughout the day. It features a friendly interface with a cute assistant to guide you, a water diary to track your intake, and the ability to count water from various drinks. It also supports cloud data storage and integrates with Apple Health.

Customizable drink remindersWater diary and historyTrack water from various drinks
💪 Health & Fitness
(2.2K)
free with in-app purchases
11
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
12
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
13
Waterlogged — Drink More Water
Waterlogged — Drink More Water
Waterlogged — Drink More Water
Daily Hydration Tracker
Free

This app helps you track your daily water intake with personalized charts and reminders. Easily log your consumption, customize cup sizes, and monitor progress towards your hydration goals. It integrates with popular health platforms and offers premium features for enhanced habit building.

Personalized hydration goalsCustomizable cup and bottle sizesVisual progress charts
💪 Health & Fitness
(3.3K)
free with in-app purchases
14
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
15
Fasting Tracker App
Fasting Tracker App
Fasting Tracker App
Fast & Easy Health Habit
Free

This app helps you optimize intermittent fasting by tracking not only hours fasted but also calories burned and activity levels. It offers a comprehensive guide to various fasting methods and includes healthy recipes for your eating window to support weight loss goals.

Calorie-based fasting trackingActivity and calorie burn monitoring40+ page science-based fasting guide
🍔 Food & Drink
(664)
subscription
16
Intermittent Fasting Tracker ⁺
Intermittent Fasting Tracker ⁺
Intermittent Fasting Tracker ⁺
Fasting App for Weight Loss
Free

This app helps you adopt an intermittent fasting eating pattern to achieve weight loss and improve metabolic health. It offers various fasting plans and tracks your progress, including weight and body status.

Customizable fasting plansWeight trackingBody status monitoring
💪 Health & Fitness
(940)
free with in-app purchases
17
Intermittent Fasting - Fastify
Intermittent Fasting - Fastify
Intermittent Fasting - Fastify
Feel Your Best Without Diets
Free

Track your eating schedule, receive guidance, and enhance your daily fasting experience. Achieve your weight goals, improve health, and increase energy within a supportive community.

Fasting schedule trackingPersonalized fasting plansHealth and energy boost tips
💪 Health & Fitness
(1K)
freemium
18
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
19
Intermittent Fasting - MyFast
Intermittent Fasting - MyFast
Intermittent Fasting - MyFast
Zero Calorie Fast Weight Loss
Free

This app helps you manage your intermittent fasting journey by scheduling fasting and eating windows. It offers customizable timers, progress tracking for weight loss and water intake, and educational resources to become an IF expert.

Schedule fasting and eating windowsCustomizable timers with notificationsTrack water intake and weight loss
🍔 Food & Drink
(3.2K)
free with in-app purchases
20
Intermittent Fasting
Intermittent Fasting
Intermittent Fasting
by Tobias Zimmermann
Free

This app helps you start and maintain intermittent fasting routines. It provides daily reminders, notifications for fasting completion, and monthly overviews to keep you motivated. Users report improved focus and reduced cravings.

Daily fasting remindersEnd fasting notificationsMonthly progress overview
🍔 Food & Drink
(14)
free with in-app purchases