Comparison

Intermittent Fasting vs Fasting Tracker

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

Head to head
About

Intermittent Fasting

This app tracks both your fasting periods and your eating windows, offering a unique dual-countdown feature. It visualizes metabolic phases like fat burning and ketosis, supports various fasting methods, and provides insights into your progress. It's designed to be user-friendly and privacy-conscious, working entirely offline.

Highlights
  • Eating window countdown
  • Fasting phases visualization
  • Support for multiple fasting methods
  • Streak tracking with grace periods
  • Pattern insights
  • Weight and BMI tracking
  • Smart notifications
  • 100% offline functionality
Features
Read full description

Free · Works offline · No account needed. JustFast is a simple intermittent fasting app and fasting timer for everyday use. Pick a 16:8, 18:6 or OMAD plan, tap start, and see how much time is left of your fast and of your eating window. No account and no long setup: your first fast starts in seconds. New to intermittent fasting? A plan like 16:8 means 16 hours of fasting followed by an 8-hour eating window. Many beginners start with 12:12 or 14:10 and move to 16:8 or 18:6 when it feels comfortable. JustFast explains each plan in plain words and lets you switch at any time. FREE FOREVER • The fasting timer and every plan, including open-ended and 36, 48 and 72-hour fasts • Reminders and the widget • Water tracking • History, fasting phases, edits and adding a past fast START IN SECONDS • Presets from 8 to 24 hours, including 12:12, 14:10, 16:8, 18:6 and 20:4 • OMAD (one meal a day, 23:1) • Extended 36, 48 and 72-hour fasts • Custom fasts of any length • Open-ended fasts that count up until you decide to stop • Edit the start time if you forgot to press start, or add a past fast later FASTING PHASES Follow the approximate phases of a fast, hour by hour, right on the timer. The phase times are general guidelines that vary from person to person. They are not medical advice. EATING WINDOW COUNTDOWN When a fast ends, JustFast counts down your eating window as well, so you always know how much time you have left to eat before your next fast. WEEKLY PLAN AND WEEKLY REVIEW Plan which days you fast and for how long. Each week, a short Weekly Review shows what you completed and suggests a calm next step. No guilt and no nagging. STREAKS, ACHIEVEMENTS AND HISTORY • Streaks with a grace period for busy days • Achievements for your milestones • A calendar plus 7-day and 30-day charts of your fasting hours • Export your history as a CSV file WEIGHT AND BMI Log your weight, follow your trend and BMI, and optionally sync your weight with Apple Health. REMINDERS AND WATER Optional reminders to start your fast and a notification when your fast is complete. You choose the time. Log a glass of water with one tap. PRIVATE AND SIMPLE • No account, no email, no sign-up needed • Your fasting and weight data stay on your iPhone unless you turn on cloud backup • Works offline • The timer screen is ad-free; small banners appear on secondary screens JUST FAST PLUS (OPTIONAL) Plus removes the ads and adds long-term Insights (90-day, 1-year and all-time trends, and fasting next to your weight) and cloud backup with sign-in. Plus is optional — pay once (Lifetime) or subscribe (Monthly or Yearly). Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel them in your App Store account settings. WHO IT IS FOR • Beginners who want a clear fasting timer without a long questionnaire • People who follow 16:8, 18:6, 20:4 or OMAD and want a quick daily routine • Anyone who wants to track time-restricted eating without creating an account 32 LANGUAGES English, Arabic, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish and 17 more. Whether you are trying intermittent fasting for the first time or you already follow 16:8, 18:6 or OMAD, JustFast keeps your fasting timer, your eating window and your history in one calm place. Download JustFast and start your first fast today. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Fasting Tracker

This app helps users achieve weight loss and improve health through personalized intermittent fasting schedules. It offers a smart timer, progress tracking, and guidance for both beginners and experienced fasters.

Highlights
  • Personalized fasting schedules
  • Smart fasting timer with notifications
  • Weight loss progress monitoring
  • Fasting streak counters
  • Offline functionality
  • Customizable reminders
  • Dark mode support
Features
Read full description

Lose Weight Fast with Your Custom Intermittent Fasting Plan! Fastd is the ultimate intermittent fasting tracker that helps you burn body fat, lose weight, and transform your health through personalized fasting schedules. Whether you're new to intermittent fasting or an experienced faster, Fastd makes it easy to track your progress and achieve your weight loss goals. PERSONALIZED FASTING PLANS • Custom fasting schedules based on your lifestyle and goals • Popular methods: 16:8, 18:6, 20:4, and OMAD (One Meal A Day) • Beginner-friendly guidance for first-time fasters • Advanced options for experienced intermittent fasting enthusiasts SMART FASTING TIMER • Beautiful, intuitive fasting tracker with live progress • Real-time notifications for eating and fasting windows • Track multiple fasting methods simultaneously • Visual progress indicators to keep you motivated COMPREHENSIVE TRACKING • Weight loss progress monitoring • Fasting streak counters and achievements • Detailed statistics and insights • Export your fasting data and results ACHIEVE YOUR WEIGHT LOSS GOALS • Proven intermittent fasting methods for rapid fat loss • Track your body transformation journey • Build sustainable healthy eating habits • Maintain your ideal weight long-term KEY FEATURES • No account required - start fasting immediately • Offline functionality - track anywhere, anytime • Clean, modern interface designed for daily use • Customizable fasting and eating window reminders • Dark mode support for comfortable nighttime tracking SCIENCE-BACKED APPROACH Intermittent fasting is supported by extensive research showing benefits for: • Accelerated fat burning and weight loss • Improved metabolic health and insulin sensitivity • Enhanced mental clarity and focus • Increased energy levels throughout the day PERFECT FOR BEGINNERS Never tried intermittent fasting? Fastd guides you through: • Choosing the right fasting method for your lifestyle • Gradual progression to longer fasting windows • Tips for managing hunger and staying consistent • Building a sustainable long-term fasting routine ADVANCED FEATURES FOR PROS • Extended fasting support (24-72 hours) • Multiple simultaneous fasting schedules • Detailed analytics and fasting insights • Integration with health apps and fitness trackers Download Fastd today and join millions who have transformed their bodies through intermittent fasting. Your weight loss journey starts now! Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Intermittent Fasting4 screens
Fasting Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Fasting Tracker at every 4 days against Intermittent Fasting's every 2 weeks. Intermittent Fasting's advantage is monetization model (ad-supported vs free with in-app purchases) and device support (4 vs 1). On price, rating, review sentiment and ratings volume 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. Intermittent Fasting sells 4 in-app purchases, starting at $2.99 per month and Fasting Tracker sells 7 in-app purchases, starting at $1.99 per 7 days. 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 — 4.9 for Intermittent Fasting against 4.9 for Fasting Tracker. Both are backed by a comparable volume of ratings — 11 and 26 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Intermittent Fasting ships an update every 2 weeks, Fasting Tracker every 4 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Intermittent Fasting versus Fasting Tracker: the parameters behind the verdict, then further details
ParameterIntermittent FastingFasting Tracker
PriceFreeFree
Rating4.9 (11 ratings)4.9 (26 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1126 — better
Update frequencyEvery 2 weeksEvery 4 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size126 MB70 MB
Age rating4+4+
DeveloperAdrian CabalaImplicit Marketing INC

Customer experience

Intermittent Fasting

All ratings11 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fasting Tracker

All ratings26 ratings
Positive96.2%
Neutral3.8%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Intermittent Fasting

Subscriptions3
  • Just Fast Plus monthly$2.991 Month
  • Just Fast Plus7 Days trial$14.991 Year
  • Just Fast Plus$14.991 Year
One-time1
  • Just Fast Plus Lifetime$29.99
7 purchases

Fasting Tracker

Subscriptions6
  • Weekly Plan$1.997 Days
  • Weekly Trial Plan7 Days trial$1.997 Days
  • Monthly Plan$9.991 Month
Show 3 more
  • Monthly Plan3 Days trial$9.991 Month
  • Annual Plan$39.991 Year
  • Annual Plan7 Days trial$59.991 Year
One-time1
  • Lifetime$99.99

Questions

Is Intermittent Fasting free?
Intermittent Fasting is free to download, with in-app purchases available.
Is Fasting Tracker free?
Fasting Tracker is free to download, with in-app purchases available.
Which has better reviews, Intermittent Fasting or Fasting Tracker?
Fasting Tracker is rated higher. Intermittent Fasting averages 4.9 out of 5 from 11 ratings, while Fasting Tracker averages 4.9 from 26 ratings.
Do Intermittent Fasting or Fasting Tracker have ads?
Both Intermittent Fasting and Fasting Tracker show ads.
Which is updated more often, Intermittent Fasting or Fasting Tracker?
Intermittent Fasting ships an update every 2 weeks, and Fasting Tracker every 4 days. Most recently, Intermittent Fasting was updated on October 29, 2026 and Fasting Tracker on October 25, 2026.

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