Best 16H Fasting & Gut Health Log Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated August 2026

Finding the right 16h fasting & gut health log apps can be overwhelming with so many options. We've analyzed 249+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top 16H Fasting & Gut Health Log Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
116h Fasting & Gut Health Log16h Fasting & Gut Health LogFreeYesYesMay 2026
2Fasting + Intermittent FastingFasting + Intermittent FastingFree4.8★ (6.8K)NoYesAug 2026
3Fastin: Intermittent FastingFastin: Intermittent FastingFree4.8★ (10K)NoYesAug 2026
4Fasting - Zero food trackerFasting - Zero food trackerFree2.3★ (3)NoNoMay 2026
5Fasting Tracker & Diet AppFasting Tracker & Diet AppFree4.6★ (11K)NoNoAug 2026
6Intermittent Fasting Tracker -Intermittent Fasting Tracker -Free4.9★ (29K)YesYesAug 2026
7Fasting: Get healthy togetherFasting: Get healthy togetherFree4.6★ (132)NoYesJul 2026
8Fasting Tracker AppFasting Tracker AppFree4.7★ (673)NoYesAug 2026

Top Picks for 16H Fasting & Gut Health Log

Fasting + Intermittent Fasting#2

Fasting + Intermittent Fasting by Byte Puls d.o.o.

Fasting Tracker - Lose Weight
Strong Contender
💪 Health & Fitness
4.8😊(6.8K ratings)
FreeIn-App Purchases
Fasting + Intermittent Fasting screenshot 1
Fasting + Intermittent Fasting screenshot 2
Fasting + Intermittent Fasting screenshot 3
Fasting + Intermittent Fasting screenshot 4
Fasting + Intermittent Fasting screenshot 5
Fasting + Intermittent Fasting screenshot 6

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.

What We Love

  • ⭐ Excellent tracking and visualization
  • 👍 Simple and easy to use
  • 💪 Helps stay motivated and on track
  • 🔍 Detailed information on fasting stages

Room to Improve

  • 🔍 Lack of advanced features (food/exercise logging)
  • 💸 Subscription model not well-received
  • 🔈 Intrusive ads and pop-ups
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 16H Fasting & Gut Health Log apps to explore

4
Fasting - Zero food tracker
Fasting - Zero food tracker
Fasting - Zero food tracker
Simpel & easy fasting tracker
Free

This app helps users track intermittent fasting periods, which involve cycling between eating and fasting. It supports various fasting methods and provides a simple way to monitor eating patterns.

Intermittent fasting trackingSupports daily fastingSupports 24-hour fasting
🌟 Lifestyle
(3)
free
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
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
7
Fasting: Get healthy together
Fasting: Get healthy together
Fasting: Get healthy together
Intermittent Fasting Meal Plan
Free

This app guides users through intermittent fasting with a personalized meal plan, recipe book, and water tracker. It supports weight loss, improved sleep, and overall well-being by helping users adhere to fasting windows.

Intermittent fasting trackerPersonalized meal planRecipe book
💪 Health & Fitness
(132)
free with in-app purchases
8
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
(673)
subscription
9
Pinchly: Intermittent Fasting
Pinchly: Intermittent Fasting
Pinchly: Intermittent Fasting
Personalized Fasting Coach
Free
💪 Health & Fitness
(0)
10
FastLog: Intermittent  Fasting
FastLog: Intermittent  Fasting
FastLog: Intermittent Fasting
Fasting track, Water , Weight
Free

Track your fasting periods, water intake, and weight with this simple tool. Receive notifications when you reach your fasting goals and view detailed graphs to stay motivated on your weight loss journey.

Fasting timer with notificationsWater intake trackingWeight logging
💪 Health & Fitness
(1)
free
11
Fira: Fasting Timer & Tracker
Fira: Fasting Timer & Tracker
Fira: Fasting Timer & Tracker
Simple, Easy Intermittent Fast
Free
🔍 Reference
(0)
12
Fasting Path:
Fasting Path:
Fasting Path:
Intermittent Fasting Tracker
Free
💪 Health & Fitness
(0)
13
Horizon - Intermittent Fasting
Horizon - Intermittent Fasting
Horizon - Intermittent Fasting
Daily Fast Habit & Timer App
Free

This app helps you establish and maintain a daily intermittent fasting routine. It provides tools to track your eating habits, monitor your progress, and stay motivated through various features designed for a healthier lifestyle and potential weight loss.

Fasting timer and trackerProgress statisticsMetabolic stage insights
💪 Health & Fitness
(60)
free with in-app purchases
14
Intermittent Fasting Tracker®
Intermittent Fasting Tracker®
Intermittent Fasting Tracker®
Fasting Timer, Calorie Tracker
Free
💪 Health & Fitness
(0)
15
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
16
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
(5.3K)
free with in-app purchases
17
Fasting Tracker - FastingAI
Fasting Tracker - FastingAI
Fasting Tracker - FastingAI
Metabolic Health & Weight Loss
Free
💪 Health & Fitness
(0)
18
Fastee:Fasting Tracker
Fastee:Fasting Tracker
Fastee:Fasting Tracker
Track Your Fasting Journey
Free
💪 Health & Fitness
(0)
19
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
20
Fasting Secret
Fasting Secret
Fasting Secret
Tracks fasts, weight & ketones
Free

This app helps you track your fasting periods, monitor your weight, and record body measurements. It offers features for manual or scheduled fasts, progress visualization, and motivational tools to support your health and weight loss goals.

Manual and scheduled fasting periodsWeight and body measurement trackingProgress visualization with graphs
💪 Health & Fitness
(1.6K)
free with in-app purchases

FAQ about 16H Fasting & Gut Health Log

Are there free 16h fasting & gut health log apps for iPhone?
Yes — 20 of the top 16h fasting & gut health log apps we rank are free to download, including 16h Fasting & Gut Health Log and Fasting + Intermittent Fasting.
16h Fasting & Gut Health Log shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ 16h fasting & gut health log apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.