Best Simple Water Fasting Apps

250+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

Out of 250+ simple water fasting apps on iOS, 20 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 Simple Water Fasting Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1H2 flow water fastingH2 flow water fastingFree3.4★ (5)NoYesOct 2026
2Simple: AI Weight Loss CoachSimple: AI Weight Loss CoachFree4.7★ (410K)NoYesOct 2026
3Water Fasting: Tracker & TimerWater Fasting: Tracker & TimerFree5.0★ (4)NoYesOct 2026
4Simple Fasting AppSimple Fasting AppFree4.5★ (46)NoNoOct 2026
5Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (12K)NoNoOct 2026
6BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (146K)NoYesOct 2026
7Simple FastingSimple FastingFree—YesYesSep 2026
8Intermittent Fasting - FastifyIntermittent Fasting - FastifyFree4.8★ (1K)NoYesOct 2026

Top Picks for Simple Water Fasting

H2 flow water fasting#1

H2 flow water fasting by Martijn Nelissen

your water-fast companion
Editor's Choice
💪 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.

Simple: AI Weight Loss Coach#2

Simple: AI Weight Loss Coach by AM APPS

Build a Healthy Body for Life
Strong Contender
💪 Health & Fitness
4.7😊(410K ratings)
FreeIn-App Purchases
Simple: AI Weight Loss Coach screenshot 1
Simple: AI Weight Loss Coach screenshot 2
Simple: AI Weight Loss Coach screenshot 3
Simple: AI Weight Loss Coach screenshot 4
Simple: AI Weight Loss Coach screenshot 5
Simple: AI Weight Loss Coach screenshot 6

This app offers personalized weight loss plans, real-time nutrition analysis via photo, and AI-driven coaching. It focuses on making healthy habits fun and sustainable without extreme restrictions or calorie counting.

What We Love

  • 🚀 Engaging app
  • 👍 Helpful tools
  • 👍 Supportive IF app
  • 👍 Keeps user accountable
  • 👍 Motivates user
  • 👍 Intuitive and user-friendly
  • 👍 Provides useful information and insights
  • 👍 Customizable fasting schedule
  • 👍 Tracks progress effectively

Room to Improve

  • 🐛 Difficulty navigating and logging food/fasting
  • 🐛 Inaccurate food analysis and tracking
  • 🐛 Glitchy and unreliable
  • 🔒 Questionable billing and subscription practices
  • 🐛 Cluttered and confusing interface
  • 🐛 Limited food database
Water Fasting: Tracker & Timer#3

Water Fasting: Tracker & Timer by SUKRU DEMIR

Mindful Fasts, Water & Stages
Worth Considering
💪 Health & Fitness
5.0(4 ratings)
FreeIn-App Purchases
Water Fasting: Tracker & Timer screenshot 1
Water Fasting: Tracker & Timer screenshot 2
Water Fasting: Tracker & Timer screenshot 3

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.

More Simple Water Fasting apps to explore

FAQ about Simple Water Fasting

What are the best simple water fasting apps for iPhone?
H2 flow water fasting tops our simple water fasting apps ranking as of October 2026, with a 3.4-star average from 5 App Store ratings, and it's free to download.
Yes — 20 of the top simple water fasting apps we rank are free to download, including H2 flow water fasting and Simple: AI Weight Loss Coach.
H2 flow water fasting has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ simple water fasting apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.