Comparison

InterFasting vs Intermittent Fasting Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

InterFasting

This app helps users succeed with intermittent fasting through scientific and systematic management. It offers AI-powered schedule and calorie recommendations, a simple timer, and comprehensive tracking of fasting hours, meals, workouts, and water intake. Users can visualize progress and receive detailed reports to build healthy habits.

Highlights
  • AI fasting schedule recommendations
  • AI food calorie calculation
  • Intermittent fasting timer
  • Customizable fasting plans
  • All-in-one health tracking
  • Fasting analysis and reports
  • Home screen widget
Features
Read full description

Want to succeed with intermittent fasting and achieve your weight loss goals? Meet InterFasting—the ultimate AI-powered intermittent fasting tracker and smart diet companion trusted by millions worldwide! Instead of just starving yourself, InterFasting helps you build sustainable, healthy habits through scientific, data-driven, and systematic health management. Start your smart wellness journey with the highest-rated fasting app on the App Store. ■ WHY CHOOSE INTERFASTING? [NEW] INTRODUCING INTERFASTING AI • AI Schedule Recommendations: No more guessing! Our advanced AI automatically analyzes your lifestyle to recommend the perfect, customized intermittent fasting plan. • AI Calorie Counter & Food Scanner: Simply snap a photo of your meal. The AI instantly calculates calories and macros to effortlessly log and manage your diet. THE EASIEST INTERMITTENT FASTING TIMER • Supports all popular fasting methods including 16:8, 5:2, OMAD (One Meal a Day), and custom circadian rhythm schedules. • Receive smart, timely alarms for your fasting start and end times. (※ Please enable notification settings!) 100% CUSTOMIZABLE & AD-FREE FASTING • Adjust your fasting times and schedules completely free. • Track, edit, and manage your personalized fasting plan with a clean, ad-free interface. ALL-IN-ONE HEALTH & WEIGHT TRACKER • Monitor everything in one place: fasting hours, weight loss progress, meal logs, workout activity, and daily water intake. SCIENTIFIC FASTING ANALYSIS & REPORTS • Access detailed body statistics, fasting history, and meal calorie data. • Stay motivated with comprehensive weekly and monthly progress reports. CONVENIENT HOME SCREEN WIDGETS • Check your current fasting stage, countdown timer, and control your status instantly right from your home screen. HOUR-BY-HOUR BODY STAGES INFO • Learn what happens inside your body during a fast (Ketosis, Autophagy, etc.). Understanding these metabolic changes is the key to long-term success. VISUAL PROGRESS & PHOTO DIARY • Log your meals and take "Eye Body" progress photos. Seeing your physical transformation over time is the ultimate motivation to keep going! ■ THE SCIENCE-BACKED BENEFITS OF FASTING • Effective Weight Loss & Fat Burn: Target stubborn body fat and optimize metabolism. • Boosted Autophagy & Cellular Repair: Enhance cellular health and longevity. • Improved Blood Sugar Control: Increase insulin sensitivity and manage glucose levels naturally. • Reduce Inflammation: Lower oxidative stress and support your body’s natural detox. • Enhanced Mental Clarity: Experience razor-sharp brain function and steady energy levels. ■ PERFECT FOR ANYONE WHO WANTS TO: • Try intermittent fasting for the first time and need a beginner-friendly guide. • Stay accountable with a systematic, automated fasting tracker. • Achieve healthy weight loss, keto diet goals, or better metabolic health. • Stop struggling with complex calorie counting and manual meal logging. The secret to a successful lifestyle change is consistency. InterFasting is here to help you build healthy habits that last. Download InterFasting now and unlock your healthy transformation! *** APPLE HEALTH INTEGRATION *** InterFasting seamlessly integrates with the Apple Health app to automatically sync and track your weight, steps, and workout data. --- ABOUT SUBSCRIPTIONS & PAYMENT • Payment will be charged to your Apple ID account at confirmation of purchase. • You can manage or cancel your subscription in your App Store Account Settings at any time. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. - Terms of Service: https://www.interfasting.app/service_en - Privacy Policy: https://www.interfasting.app/privacy_en

About

Intermittent Fasting Tracker

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.

Highlights
  • Interactive Widgets
  • Notifications
  • Streaks & Badges
  • Charts & Trends
  • Fasting Zones
  • iCloud Sync
  • Dark Mode
Features
Read full description

Track fasting periods with Fasty. No account or sign-up required. Start and stop a fasting timer, set a goal, and review your recorded fasts. Edit entries to correct start and end times and keep a record of your fasting history. Features - Fasting timer: see elapsed time and the time remaining until your chosen goal. - Widgets and Live Activities: check your timer from your Home Screen, Lock Screen, and Dynamic Island on supported devices. - Apple Watch: start and finish fasts, change your goal, and check your current fasting status from your wrist, included for free. - Fasting history: add, edit, and review your recorded fasts. - Charts and trends: explore fasting durations, totals, and averages over time. - Notifications: choose reminders and alerts for your timer and eating window. - Siri and Shortcuts: start and finish fasts and check your current fasting status. - CSV import and export: import existing records or export your data for use outside the app. - Dark Mode: use a light or dark appearance to suit your preference. - Streaks and badges: view summaries and milestones based on your recorded fasts. Additional paid features are available through one-time purchases and auto-renewable subscriptions. Available options, included features, and prices are shown in the app before purchase. Subscriptions renew automatically unless canceled. You can manage or cancel them in your App Store account settings. Health information Fasty is a utility for people who want to track their fasting. It does not recommend fasting or a specific fasting plan and does not provide medical advice. Consult a doctor, registered dietitian, or another qualified healthcare professional about whether and how to fast. Privacy Policy: https://fastyfasting.com/#privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

InterFasting4 screens
Intermittent Fasting Tracker4 screens

Verdict

The call

The clearest difference is ads: Intermittent Fasting Tracker at none against InterFasting's shown. Intermittent Fasting Tracker also leads on ratings volume (51K vs 267) and review sentiment (97% vs 88%). InterFasting's advantage is update cadence (every 2 days vs every 10 days) and iOS requirement (15.0 vs 17.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InterFasting sells 3 in-app purchases, starting at $3.99 per month and Intermittent Fasting Tracker sells 17 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for InterFasting against 4.9 for Intermittent Fasting Tracker. That said, the two scores are not equally well evidenced: Intermittent Fasting Tracker has 51K ratings behind it against 267, so its average is the more settled of the two. Written reviews are what separate them: 88% of InterFasting's written reviews are positive against 97% of Intermittent Fasting Tracker's.

UpkeepUpdate frequency

InterFasting ships an update every 2 days, Intermittent Fasting Tracker every 10 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 5 level
InterFasting versus Intermittent Fasting Tracker: the parameters behind the verdict, then further details
ParameterInterFastingIntermittent Fasting Tracker
PriceFreeFree
Rating4.8 (267 ratings)4.9 (51K ratings) — better
Positive reviews88.4% of reviews96.8% of reviews — better
Number of ratings26751K — better
Update frequencyEvery 2 days — betterEvery 10 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod, Apple Watch — betteriPhone, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size85 MB109 MB
Age rating4+12+
DeveloperKim YunhooKai Oelfke

Customer experience

InterFasting

All ratings267 ratings
Positive95.1%
Neutral1.1%
Negative3.7%
Written reviews69 reviews
Positive88.4%
Neutral2.9%
Negative8.7%

Intermittent Fasting Tracker

All ratings51,132 ratings
Positive97.8%
Neutral1.5%
Negative0.7%
Written reviews2,857 reviews
Positive96.8%
Neutral1.7%
Negative1.5%

Bugs and requests

InterFasting

Not enough reviews yet to summarise bugs or requests.

Intermittent Fasting Tracker

Reported bugs

2 issues
  • Overlapping fasting/eating windows reported
  • Inconsistencies in fasting time calculations

Requested features

4 requests
  • Ability to schedule and set reminders for fasts
  • Option to manually log ketosis levels
  • Export or share fasting data
  • More detailed fasting stage information

In-app purchases

3 purchases

InterFasting

Subscriptions2
  • Premium 1 month$3.991 Month
  • Gandan Premium Annual$12.991 Year
One-time1
  • Premium User$12.99
17 purchases

Intermittent Fasting Tracker

Subscriptions9
  • Fasty Monthly Donation$0.991 Month
  • Fasty Basic Monthly$0.991 Month
  • Fasty Monthly Donation$1.991 Month
Show 6 more
  • Fasty Basic Monthly$1.991 Month
  • Fasty Monthly Donation$2.991 Month
  • Fasty Basic Yearly$4.991 Year
  • Fasty Basic Yearly$6.691 Year
  • Fasty Pro Monthly2 variants$6.991 Month
  • Fasty Pro Yearly2 variants$19.991 Year
One-time8
  • One Time Donation$4.99
  • Fasty Basic One Time$9.99
  • One Time Donation$9.99
Show 5 more
  • One Time Donation$14.99
  • One Time Donation$24.99
  • One Time Donation$34.99
  • Fasty Pro One Time2 variants$49.99
  • One Time Donation$49.99

Questions

Is InterFasting free?
InterFasting is free to download, with in-app purchases available.
Is Intermittent Fasting Tracker free?
Intermittent Fasting Tracker is free to download, with in-app purchases available.
Which has better reviews, InterFasting or Intermittent Fasting Tracker?
Intermittent Fasting Tracker is rated higher. InterFasting averages 4.8 out of 5 from 267 ratings, while Intermittent Fasting Tracker averages 4.9 from 51K ratings.
Do InterFasting or Intermittent Fasting Tracker have ads?
InterFasting shows ads; Intermittent Fasting Tracker does not.
Which is updated more often, InterFasting or Intermittent Fasting Tracker?
InterFasting ships an update every 2 days, and Intermittent Fasting Tracker every 10 days. Most recently, InterFasting was updated on September 22, 2026 and Intermittent Fasting Tracker on September 24, 2026.

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