Best Free Fasting Weight Loss App

238+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our free fasting weight loss app list covers 238+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Compare top Free Fasting Weight Loss App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zero: Fasting TimerZero: Fasting TimerFree4.8★ (445K)NoYesJul 2026
2BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesJul 2026
3Intermittent Fasting Tracker:Intermittent Fasting Tracker:Free4.9★ (49K)NoYesJul 2026
4Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (11K)NoNoJul 2026
5Fastic Weight Loss & FastingFastic Weight Loss & FastingFree4.8★ (246K)NoYesJul 2026
6Fasting App: Tracker & TimerFasting App: Tracker & TimerFree4.7★ (4.8K)NoYesJul 2026
7Intermittent Fasting: PureFastIntermittent Fasting: PureFastFree4.8★ (15K)YesYesJul 2026
8Intermittent Fasting and Diet.Intermittent Fasting and Diet.Free4.7★ (5.2K)YesYesJul 2026

Top Picks for Free Fasting Weight Loss App

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
BodyFast: Intermittent Fasting#2

BodyFast: Intermittent Fasting by BodyFast GmbH

Weight Loss Diet, Meal Tracker
Strong Contender
💪 Health & Fitness
4.7😊(145K ratings)
FreeIn-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
Intermittent Fasting Tracker:#3

Intermittent Fasting Tracker: by Kai Oelfke

Simple 16:8 Fast Timer
Worth Considering
💪 Health & Fitness
4.9😊(49K ratings)
FreeIn-App Purchases
Intermittent Fasting Tracker: screenshot 1
Intermittent Fasting Tracker: screenshot 2
Intermittent Fasting Tracker: screenshot 3
Intermittent Fasting Tracker: screenshot 4
Intermittent Fasting Tracker: screenshot 5
Intermittent Fasting Tracker: screenshot 6

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.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Straightforward fasting tracking
  • 🔒 No ads or subscriptions
  • 💡 Customizable fasting times

Room to Improve

  • 🐛 Occasional issues with time tracking
  • 💡 Desire for more customization options
  • 💡 Request for monthly/yearly fasting view

More Free Fasting Weight Loss App apps to explore

4
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
5
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Fastic Weight Loss & Fasting
Protein, Tracker, Nutrition
Free

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.

Personalized fasting and nutrition plansProtein fasting for muscle maintenanceIntermittent fasting for fat burning
💪 Health & Fitness
(246K)
free with in-app purchases
6
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
7
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
8
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
9
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Simple: AI Weight Loss Coach
Build a Healthy Body for Life
Free

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.

AI weight loss coachingPhoto-based nutrition analysisPersonalized workout plans
💪 Health & Fitness
(388K)
free with in-app purchases
10
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
MyFitnessPal: Calorie Counter
Workout & AI Nutrition Tracker
Free

This AI-powered app helps you achieve your health and fitness goals by tracking calories, macros, and water intake. It offers a comprehensive food database, workout logging, personalized goals, and meal planning to monitor your progress.

AI Food TrackerCalorie and Macro TrackingWater Intake Monitoring
💪 Health & Fitness
(2.3M)
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
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Lose It! – Calorie Counter
Food Tracker for Weight Loss
Free

This app helps users achieve their weight loss goals by tracking calorie intake, nutrition, and exercise. It offers features like AI-powered meal logging, barcode scanning, and personalized diet plans to simplify the journey to a healthier lifestyle.

Calorie trackingWeight loss planningAI voice meal logging
💪 Health & Fitness
(768K)
free with in-app purchases
13
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
14
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
15
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
16
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
17
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
18
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
19
Start Fasting Now
Start Fasting Now
Start Fasting Now
Fasting Made Easy & Effective
Free

This app helps users achieve health and weight loss goals through personalized fasting plans. It offers expert guidance, interactive tools, community support, and detailed analytics to make fasting simple and effective.

Personalized fasting plansExpert health guidanceProgress tracking tools
💪 Health & Fitness
(63)
free with in-app purchases
20
Fasty - Intermittent Fasting
Fasty - Intermittent Fasting
Fasty - Intermittent Fasting
Fast 16:8 Tracker Timer
Free

This app offers a straightforward and privacy-focused way to track intermittent fasting. It provides tools for timing fasts, monitoring weight and BMI, and maintaining progress streaks without requiring sign-up or displaying ads.

One-tap fasting timerMultiple fasting programsCustom fast durations
💪 Health & Fitness
(334)
free with in-app purchases

FAQ about Free Fasting Weight Loss App

What is the best free fasting weight loss app for iPhone?
Zero: Fasting Timer tops our free fasting weight loss app ranking as of June 2026, with a 4.8-star average from 445K App Store ratings, and it's free to download.
Zero: Fasting Timer has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 238+ free fasting weight loss app on the iOS App Store as of June 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.