Comparison

Fasting Window vs Track Intermittent Fasting

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

Head to head
About

Fasting Window

Features
Read full description

Record your fasting time with a simple timer. TRACK YOUR TIME • Select 16:8, 18:6, 20:4, OMAD, or the Custom preset • Circular progress ring with elapsed-time ranges • Notification at your selected time goal, when permission is granted KEEP YOUR RECORDS • Local fasting history and streak count • Existing weight records remain stored on your device SAFETY INFORMATION The timer does not measure metabolism, ketosis, or autophagy. It does not diagnose conditions or provide medical advice. Goals are personal settings, not recommendations to fast longer. Talk with your healthcare provider before trying fasting, especially if you are under 25, pregnant or breastfeeding, or taking medication. Source: NIH News in Health, December 2019; https://newsinhealth.nih.gov/2019/12/fast-or-not-fast

About

Track Intermittent Fasting

This app helps you manage intermittent fasting and track your health goals. It offers a smart timer with various fasting presets, integrates with Apple Health for weight and workout syncing, and provides detailed insights into your progress. Monitor your fasting and fitness journey with detailed charts and notifications.

Highlights
  • Smart fasting timer with 5 preset intervals
  • Dynamic Island and Live Activities for at-a-glance tracking
  • Apple Health integration for weight and workout sync
  • Detailed weight and body metric tracking
  • Over 70 workout types with cardio zone insights
  • iCloud backup and restore
  • Smart notifications for fasting phase transitions
Features
Read full description

FastFaster is your all-in-one companion for intermittent fasting, weight management, and fitness tracking. Combine a real-time fasting timer, weight metrics, cardio zones, workouts, recovery, and sleep tracking in one elegant, ad-free app. Whether you are starting with a standard 16:8 fast or tracking extended metabolic stages, FastFaster helps you understand your body’s biological phases at every step. Key Features: • SMART FASTING TIMER & PRESETS Track elapsed and remaining time with a visual progress ring and choose from 5 preset intervals for common fasting goals, including 16:8 and extended fasts. • DYNAMIC ISLAND & LIVE ACTIVITIES Monitor your fast at a glance! Track your progress directly from your Lock Screen or the Dynamic Island without opening the app. Visual battery indicators show your current biological phase in real-time. • APPLE HEALTH (HEALTHKIT) INTEGRATION FastFaster works seamlessly with Apple Health to provide a holistic view of your health progress: - Bidirectional Weight Sync: Log weight in the app or Apple Health, and see it sync instantly. Supported body metrics include body fat percentage, BMI, and lean body mass. - Bidirectional Workout Sync: Automatically import workouts recorded on your Apple Watch or other apps, and log workouts inside FastFaster to save them directly to Apple Health. • ENHANCED WEIGHT TRACKING & BODY METRICS Track your weight loss journey with gorgeous progress rings for weight and body fat goals. Visualize your progress with interactive Swift Charts across Weight, Body Fat, BMI, and Lean Mass views, with Week, Month, 6-Month, Yearly, and All-Time trends. Supports both Kilograms (kg) and Pounds (lb). • 70+ WORKOUT TYPES, CARDIO ZONES & ACTIVITY GOALS Log over 70 sports and activities—from HIIT, running, and cycling to yoga, swimming, and strength training. Track workout durations, active energy burned (calories), distance, and heart-rate/cardio zone insights when available from Apple Health. Set daily calorie and duration goals, and track your achievements with active rings. • HYDRATION TRACKING Log water and other beverages, set a daily goal, review totals, and sync counted fluid volume with Apple Health. Edit or remove entries while keeping records aligned. • SLEEP TRENDS & RECOVERY DASHBOARD Review sleep duration, naps, bedtime, wake time, sleep efficiency, and available Core, Deep, and REM stages from Apple Health. Browse history and trends without filling missing data. • STRESS & ENERGY CHECK-INS Record private stress and energy ratings with optional notes. When available, view a wellness stress estimate based on HRV and resting heart rate compared with your baseline. Estimates are not medical diagnoses. • SLEEP GOALS & WAKE ALARM Set a sleep goal, choose a wake time, preview sounds, and arm a wake alarm. The app identifies whether a system alarm or notification reminder is available. • ICLOUD BACKUP & RESTORE Keep your fasting, hydration, recovery, sleep, stress, workout, weight, and goal history protected with private iCloud backup and restore. Records sync across devices signed into the same Apple ID, with sync status available from the logs screen. • SMART NOTIFICATIONS Stay motivated with timely alerts when you transition to a new biological fasting phase, and notifications when your fasting goal is reached. • PERSONAL STATS & HISTORICAL LOGS Review your complete fasting history. Add, edit, or delete logs, and analyze statistics like current/longest streaks, average duration, and completion rates. FastFaster has a modern, privacy-first design. We do not sell your health data. Achieve your goals faster with FastFaster. Download now and start your journey!

Screenshots

Fasting Window4 screens
Track Intermittent Fasting4 screens

Verdict

The call

The clearest difference is update cadence: Track Intermittent Fasting at fortnightly against Fasting Window's every 4 months. Track Intermittent Fasting also leads on device support (5 vs 3). Fasting Window's advantage is iOS requirement (13.0 vs 18.6). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Fasting Window ships an update every 4 months, Track Intermittent Fasting fortnightly. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Fasting Window versus Track Intermittent Fasting: the parameters behind the verdict, then further details
ParameterFasting WindowTrack Intermittent Fasting
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS13.0 — better18.6
Further details — not scored
Size20 MB41 MB
Age rating4+12+
DeveloperHeungYeol KimAnass Damri

In-app purchases

None

Fasting Window

No in-app purchases

None

Track Intermittent Fasting

No in-app purchases

Questions

Is Fasting Window free?
Fasting Window is free to download, with no in-app purchases.
Is Track Intermittent Fasting free?
Track Intermittent Fasting is free to download, with no in-app purchases.
Do Fasting Window or Track Intermittent Fasting have ads?
Neither Fasting Window nor Track Intermittent Fasting shows ads.
Which is updated more often, Fasting Window or Track Intermittent Fasting?
Fasting Window ships an update every 4 months, and Track Intermittent Fasting fortnightly. Most recently, Fasting Window was updated on October 13, 2026 and Track Intermittent Fasting on October 11, 2026.

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