Best Weight Loss Tracker Fasting Apps

249+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good weight loss tracker fasting apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Weight Loss Tracker Fasting Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Zero: Fasting & Food TrackerZero: Fasting & Food TrackerFree4.8★ (445K)NoYesSep 2026
2BodyFast: Intermittent FastingBodyFast: Intermittent FastingFree4.7★ (145K)NoYesSep 2026
3Fastin: Intermittent FastingFastin: Intermittent FastingFree4.8★ (10K)NoYesAug 2026
4Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesSep 2026
5Noom Weight Loss, Food TrackerNoom Weight Loss, Food TrackerFree4.7★ (871K)NoYesSep 2026
6FastEasy: Intermittent FastingFastEasy: Intermittent FastingFree4.6★ (79K)NoYesSep 2026
7Intermittent Fasting — TrackerIntermittent Fasting — TrackerFree4.8★ (11)NoYesAug 2026
8DoFasting Intermittent FastingDoFasting Intermittent FastingFree3.9★ (4.8K)NoYesAug 2026

Top Picks for Weight Loss Tracker Fasting

Zero: Fasting & Food Tracker#1

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

Protein & Calorie Calculator
Editor's Choice
💪 Health & Fitness
4.8😊(445K ratings)
FreeIn-App Purchases
#94in Health & Fitness
Zero: Fasting & Food Tracker screenshot 1
Zero: Fasting & Food Tracker screenshot 2
Zero: Fasting & Food Tracker screenshot 3
Zero: Fasting & Food Tracker screenshot 4
Zero: Fasting & Food Tracker screenshot 5
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
BodyFast: Intermittent Fasting#2

BodyFast: Intermittent Fasting by BodyFast GmbH

Track Calories, Macros, Weight
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
Fastin: Intermittent Fasting#3

Fastin: Intermittent Fasting by Bongmi Global Group

Simple Weight Loss Tracker App
Worth Considering
💪 Health & Fitness
4.8😊(10K ratings)
FreeIn-App Purchases
Fastin: Intermittent Fasting screenshot 1
Fastin: Intermittent Fasting screenshot 2
Fastin: Intermittent Fasting screenshot 3
Fastin: Intermittent Fasting screenshot 4
Fastin: Intermittent Fasting screenshot 5
Fastin: Intermittent Fasting screenshot 6

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.

What We Love

  • ⭐ Excellent app
  • 👍 Easy to use
  • 🔍 Helpful for weight loss
  • 🔍 Motivational

Room to Improve

  • 💰 Paid subscription required
  • 🔍 Limited food database
  • 🔍 Inaccurate calorie tracking

More Weight Loss Tracker Fasting apps to explore

4
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
5
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
(871K)
free with in-app purchases
6
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
7
Intermittent Fasting — Tracker
Intermittent Fasting — Tracker
Intermittent Fasting — Tracker
Weight Loss 16:8 OMAD Coach
Free

This app simplifies intermittent fasting with visual progress tracking and insights into your body's metabolic zones. It offers various fasting plans, hydration tracking, and achievements to keep you motivated. Advanced features include body tracking, progress photos, and an AI coach for personalized guidance.

Visual fasting timer with metabolic zone insightsMultiple built-in and custom fasting plansHydration and weight/body measurement tracking
💪 Health & Fitness
(11)
freemium
8
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
DoFasting Intermittent Fasting
Healthy diet & macros diary
Free

This app offers personalized intermittent fasting plans to support weight loss and healthy eating. It includes trackers for calories, water, and steps, along with a vast recipe library and workout routines designed by professionals. Users receive tailored guidance and motivation to build sustainable habits.

Personalized intermittent fasting plansCalorie, fasting, water, and step trackersHealth app integration for seamless monitoring
💪 Health & Fitness
(4.8K)
subscription
9
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
(12K)
free
10
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
11
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
12
Go Fasting-Weight Loss Tracker
Go Fasting-Weight Loss Tracker
Go Fasting-Weight Loss Tracker
Make your diet simple!
Free

This app helps you achieve a healthier lifestyle and better body through flexible diet plans. It offers personalized meal plans, trackers for nutrition, water, and activity, and expert guidance to help you reach your wellness goals.

Flexible diet plansPersonalized meal plansNutrition, water, and activity trackers
💪 Health & Fitness
(992)
subscription
13
Easy Fast Tracker: FastMinder
Easy Fast Tracker: FastMinder
Easy Fast Tracker: FastMinder
Intermittent Fasting Timer
Free

This app simplifies intermittent fasting with a straightforward timer and progress tracking. It helps users build healthy habits by monitoring fasting windows, weight, and water intake. Features include customizable plans, reminders, and integration with Apple Health.

Customizable fasting timerProgress charts and historyCustomizable reminders
💪 Health & Fitness
(336)
free with in-app purchases
14
BodyOK: Intermittent Fasting
BodyOK: Intermittent Fasting
BodyOK: Intermittent Fasting
Weight loss and health tracker
Free

Track your fasting schedule with this intermittent fasting app. It helps you lose weight and improve health by alternating periods of eating and fasting. Offers personalized plans, weight monitoring, and various health trackers.

Intermittent fasting trackerPersonalized fasting plansWeight monitoring
💪 Health & Fitness
(1.1K)
free with in-app purchases
15
Fasting Time - Fasting Tracker
Fasting Time - Fasting Tracker
Fasting Time - Fasting Tracker
Intermittent fasting tracker
Free

This app helps you manage intermittent fasting routines to support weight loss and health goals. It offers customizable trackers, progress monitoring with photos and notes, and motivational messages to keep you on track.

Customizable fasting trackerMultiple display modesProgress tracking with photos/notes
💪 Health & Fitness
(90)
free with in-app purchases
16
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
(8.6K)
freemium
17
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
(951)
free with in-app purchases
18
Intermittent Fasting. Tracker
Intermittent Fasting. Tracker
Intermittent Fasting. Tracker
Weight loss without diet
Free

This app guides users through intermittent fasting routines to support weight loss and improve overall well-being. It offers customizable plans, progress tracking, and expert health insights to help users achieve their wellness goals.

Intuitive and user-friendly interfaceComprehensive fasting and eating window trackingCustomizable intermittent fasting plans (e.g., 16:8)
💪 Health & Fitness
(130)
free with in-app purchases
19
Fasty: Fasting Tracker
Fasty: Fasting Tracker
Fasty: Fasting Tracker
Track intermittent fasting
Free

This app helps users track intermittent fasting by monitoring fasting days and eating periods. It supports weight tracking in both pounds and kilograms and does not collect user data.

Intermittent fasting trackingWeight trackingFasting day monitoring
💪 Health & Fitness
(7)
free
20
FitFast: Intermittent Fasting
FitFast: Intermittent Fasting
FitFast: Intermittent Fasting
Weight Loss, IF Diet Tracker
Free

This app helps users achieve weight loss and improve health through personalized intermittent fasting plans. It offers a comprehensive tracker, hydration monitoring, and expert guides, making it suitable for beginners and experienced fasters alike.

Personalized fasting plansIntermittent fasting trackerHydration tracker
💪 Health & Fitness
(721)
subscription

FAQ about Weight Loss Tracker Fasting

What are the best weight loss tracker fasting apps for iPhone?
Zero: Fasting & Food Tracker tops our weight loss tracker fasting apps ranking as of August 2026, with a 4.8-star average from 445K App Store ratings, and it's free to download.
Yes — 20 of the top weight loss tracker fasting apps we rank are free to download, including Zero: Fasting & Food Tracker and BodyFast: Intermittent Fasting.
Zero: Fasting & Food Tracker has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ weight loss tracker fasting apps on the iOS App Store as of August 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.