Comparison

Intermittent Fasting vs PerfectFast

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

Head to head
About

Intermittent Fasting

Track your intermittent fasting routine with this intuitive app. It offers features for both beginners and experienced fasters to maintain a successful fasting schedule.

Highlights
  • Intermittent fasting tracker
  • Beginner-friendly interface
  • Supports experienced practitioners
  • Intuitive routine maintenance
  • Health journey transformation
Features
Read full description

Transform your health journey with IF24 - a simple, intuitive intermittent fasting tracker. Start a fast in one tap and watch your body move through each phase, from fed to deep fat burn, ketosis and autophagy. Whether you're new to 16:8 or an experienced faster, IF24 gives you everything you need to stay consistent. Features: • One-tap start, stop and reset timer • Live fasting stages: fed, sugar, fat burn, ketosis, autophagy • Adjust your start time in 10-minute steps • Runs in the background - keeps counting even when your phone is locked • Free, private, no account - all data stays on your device Disclaimer: This app does not provide medical advice. Please consult a doctor before making any health-related decisions.

About

PerfectFast

This app helps you track intermittent and extended fasting periods with a clean, focused interface. It supports various fasting schedules, custom durations, and provides detailed history and statistics to monitor your progress.

Highlights
  • Intermittent and extended fast tracking
  • Custom fasting schedules
  • Fasting history and statistics
  • Reminders and notifications
  • Apple Watch companion app
  • Live Activity support
Features
Read full description

PerfectFast helps you track intermittent and extended fasts with a calm, focused experience. Set up a fasting plan, follow your active fast, review your history, and see progress statistics without clutter. The app supports common fasting schedules, custom durations, reminders, fasting stages, history views, statistics, appearance settings, local data export, and Live Activity support on compatible devices. Log water, weight, blood glucose, and ketones beside your fasts, and read them on the fast's own clock in the Fast Timeline, with resting heart rate, heart rate variability, body composition, and sleep from Apple Health if you connect it. The Apple Watch companion lets you check your current or scheduled fast from your wrist, start or end a fast when your iPhone is nearby, and keep progress on your watch face with complications. Your fasting data stays on your device unless you choose to export or share it.

Screenshots

Intermittent Fasting4 screens
PerfectFast4 screens

Verdict

The call

The clearest difference is monetization model: PerfectFast at free against Intermittent Fasting's paid. 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Intermittent Fasting against 5.0 for PerfectFast. Both are backed by a comparable volume of ratings — 8 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Intermittent Fasting ships an update every 8 days, PerfectFast every 9 days. Both last shipped on October 25, 2026.

Scorecard1 real difference · 9 level
Intermittent Fasting versus PerfectFast: the parameters behind the verdict, then further details
ParameterIntermittent FastingPerfectFast
PriceFreeFree
Rating5.0 (8 ratings)5.0 (8 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings88
Update frequencyEvery 8 days — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.617.6
Further details — not scored
Size5 MB32 MB
Age rating12+12+
DeveloperLEONID NIFANTIJEVIdan Lupinsky

Customer experience

Intermittent Fasting

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PerfectFast

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Intermittent Fasting

No in-app purchases

None

PerfectFast

No in-app purchases

Questions

Is Intermittent Fasting free?
Intermittent Fasting is free to download, with no in-app purchases.
Is PerfectFast free?
PerfectFast is free to download, with no in-app purchases.
Which has better reviews, Intermittent Fasting or PerfectFast?
Intermittent Fasting and PerfectFast are both rated 5.0 out of 5 on the App Store, from 8 and 8 ratings respectively.
Do Intermittent Fasting or PerfectFast have ads?
Neither Intermittent Fasting nor PerfectFast shows ads.
Which is updated more often, Intermittent Fasting or PerfectFast?
Intermittent Fasting ships an update every 8 days, and PerfectFast every 9 days. Most recently, Intermittent Fasting was updated on October 25, 2026 and PerfectFast on October 25, 2026.

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