Best Fasting Weight Loss Apps

241+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

Zero is the household name in fasting weight loss, but it's far from the only option. We track 241+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Fasting Weight Loss Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zero: Fasting TimerZero: Fasting TimerFree4.8★ (445K)NoYesJul 2026
2FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesJul 2026
3Fastic Weight Loss & FastingFastic Weight Loss & FastingFree4.8★ (246K)NoYesJul 2026
4BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesJul 2026
5Fasting For Weight Loss AppFasting For Weight Loss AppFree4.7★ (6.3K)YesYesJul 2026
6Intermittent Fasting Tracker!Intermittent Fasting Tracker!Free4.5★ (2K)YesYesJul 2026
7Fastin: Intermittent FastingFastin: Intermittent FastingFree4.8★ (10K)NoYesJul 2026
8Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesJul 2026

Top Picks for Fasting Weight Loss

Zero: Fasting Timer#1

Zero: Fasting Timer by Zero Longevity Science, Inc.

AI Macro & Diet Tracker
Editor's Choice
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#91in Health & Fitness
Zero: Fasting Timer screenshot 1
Zero: Fasting Timer screenshot 2
Zero: Fasting Timer screenshot 3
Zero: Fasting Timer screenshot 4
Zero: Fasting Timer screenshot 5
Zero: Fasting Timer 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
FastEasy: Intermittent Fasting#2

FastEasy: Intermittent Fasting by WELLTECH APPS LIMITED

Simple Weight Loss & Tracker
Strong Contender
💪 Health & Fitness
4.6😞(79K ratings)
FreeIn-App Purchases
FastEasy: Intermittent Fasting screenshot 1
FastEasy: Intermittent Fasting screenshot 2
FastEasy: Intermittent Fasting screenshot 3
FastEasy: Intermittent Fasting screenshot 4
FastEasy: Intermittent Fasting screenshot 5
FastEasy: Intermittent Fasting screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 🚀 Helpful for tracking fasting
  • 🚀 Motivating for fasting journey
  • 👍 Informative content

Room to Improve

  • 🐛 Glitches and technical issues
  • 🔒 Difficult to cancel subscription
  • 💰 Expensive subscription fees
Fastic Weight Loss & Fasting#3

Fastic Weight Loss & Fasting by HealthVida GmbH & Co. KG.

Protein, Tracker, Nutrition
Worth Considering
💪 Health & Fitness
4.8😊(246K ratings)
FreeIn-App Purchases
Fastic Weight Loss & Fasting screenshot 1
Fastic Weight Loss & Fasting screenshot 2
Fastic Weight Loss & Fasting screenshot 3
Fastic Weight Loss & Fasting screenshot 4
Fastic Weight Loss & Fasting screenshot 5
Fastic Weight Loss & Fasting screenshot 6

This app guides users through personalized intermittent fasting and nutrition plans to achieve sustainable weight loss. It offers features like a food scanner, progress tracking, and a community for support, helping users burn fat and improve overall health.

What We Love

  • 🚀 Easy to use and track food, sleep, water and activities
  • 🚀 Helpful for tracking fasting programs
  • 👍 Motivating and encouraging
  • 👍 Informative and educational

Room to Improve

  • 🐛 Inaccurate food tracking and calorie counting
  • 🐛 Glitches with fasting timer and progress tracking
  • 🔍 Limited dietary preferences and meal plans

More Fasting Weight Loss apps to explore

4
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
BodyFast: Intermittent Fasting
Weight Loss Diet, Meal Tracker
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
5
Fasting For Weight Loss App
Fasting For Weight Loss App
Fasting For Weight Loss App
Customized Fasting Plans
Free

This app helps you lose weight and improve health through customized intermittent fasting plans. It offers AI-powered food scanning, intelligent dietary advice, and progress tracking to support your goals without restrictive diets.

AI food scannerCustomized intermittent fasting plansNutrition and hydration tracking
💪 Health & Fitness
(6.3K)
free with in-app purchases
6
Intermittent Fasting Tracker!
Intermittent Fasting Tracker!
Intermittent Fasting Tracker!
Weight Loss: Fast・Easy・No Diet
Free

This app helps you track intermittent fasting for various goals like weight loss, detox, or religious observance. It allows you to set custom fasting levels, receive reminders, and monitor your progress by syncing with health data.

Fasting TimerPersonal Profile TrackingCustomizable Fasting Levels
💪 Health & Fitness
(2K)
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
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
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
10
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Omo: Healthy Weight Loss App
Lose weight with psychology
Free

Achieve your weight loss goals with a psychology-based approach. This app offers a comprehensive course, calorie and macro tracking, intermittent fasting support, and a step counter to build healthy habits and ensure long-term success.

Psychology-based weight loss courseCalorie and macro trackingBarcode food scanner
💪 Health & Fitness
(33K)
free with in-app purchases
11
IF: Intermittent Fasting 16:8
IF: Intermittent Fasting 16:8
IF: Intermittent Fasting 16:8
Lose Weight Fast - No Diet
Free

This app simplifies intermittent fasting for weight loss and improved health. It offers personalized meal plans, a fasting tracker with reminders, and a supportive community. Achieve your fitness goals without restrictive dieting.

Fasting tracker with customizable intervalsPersonalized meal plans and recipesWater intake reminders
💪 Health & Fitness
(2.6K)
freemium
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
(8.2K)
freemium
13
Intermittent Fasting: PureFast
Intermittent Fasting: PureFast
Intermittent Fasting: PureFast
Calorie Tracker & Nutrition
Free

Achieve your weight loss goals with personalized workout and meal plans. Track your progress and receive expert guidance to ensure safe and effective exercise. Take control of your health and fitness journey.

Personalized workout plansPersonalized meal plansVariety of exercises
💪 Health & Fitness
(15K)
subscription
14
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Noom Weight Loss, Food Tracker
Healthy Habits, Meals & GLP-1s
Free

This app helps users build lasting healthy habits for weight loss and improved well-being. It offers AI-powered food logging, step tracking, personalized plans, and access to coaching and medication options. The program is rooted in psychology and backed by science to support sustainable lifestyle changes.

AI food logging with calorie & macro trackingStep tracking & rewardsPersonalized meal plans & recipes
💪 Health & Fitness
(869K)
free with in-app purchases
15
Intermittent Fasting Tracker ™
Intermittent Fasting Tracker ™
Intermittent Fasting Tracker ™
Simple intermittent fasting
Free

This app guides users through intermittent fasting with personalized plans, a timer, and insights into body stages. It offers a journal, learning center, and progress tracking to support users in achieving health and wellness goals.

Fasting timer with one-tap start/endPersonalized and custom fasting plansBody stage insights during fasting
💪 Health & Fitness
(2.3K)
free with in-app purchases
16
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
17
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
18
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
19
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
My Diet Coach - Weight Loss
Food tracker, calorie counter
Free

This app helps you lose weight by tracking your calorie intake and macronutrients. It offers a food diary, various diet plans, recipes, and daily recaps to guide your journey. Integrate with health apps for a comprehensive view of your progress.

Daily food diaryMacro trackerCalorie counting
💪 Health & Fitness
(24K)
subscription
20
Unimeal: Fasting and Diet
Unimeal: Fasting and Diet
Unimeal: Fasting and Diet
Simple Weight Loss & Tracker
Free

Achieve your weight loss goals with personalized meal plans, intermittent fasting schedules, and easy-to-use calorie and weight tracking. Utilize an AI scanner for effortless food logging and access workouts and hydration reminders to support your journey.

Intermittent fasting customizationPersonalized meal plansAI food and nutrition scanner
💪 Health & Fitness
(13K)
free with in-app purchases

FAQ about Fasting Weight Loss

What are the best fasting weight loss apps for iPhone?
Zero: Fasting Timer tops our fasting weight loss apps ranking as of July 2026, with a 4.8-star average from 445K App Store ratings, and it's free to download.
Yes — 20 of the top fasting weight loss apps we rank are free to download, including Zero: Fasting Timer and FastEasy: Intermittent Fasting.
Zero: Fasting Timer has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 241+ fasting weight loss apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Zero is an all-in-one fasting tracker and nutrition app designed to help users achieve real body composition changes. It integrates intermittent fasting timers, protein tracking, meal logging, hydration, and habit tracking to provide a comprehensive approach to weight loss and metabolic health.
Key features include timers and streaks for intermittent fasting, smart meal logging with photo recognition for instant macro and protein analysis, personalized daily protein target tracking, water and habit tracking, and science-based insights from experts on fasting and nutrition.

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