Comparison

Intermittent Fasting Tracker ™ vs AllyFast

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

Head to head
About

Intermittent Fasting Tracker ™

This app guides users through intermittent fasting with personalized plans, a timer, and insights into body stages. It offers a journal, learning center, and progress tracking to support users in achieving health and wellness goals.

Highlights
  • Fasting timer with one-tap start/end
  • Personalized and custom fasting plans
  • Body stage insights during fasting
  • Fasting journal for reflections
  • Learning center with expert content
  • Progress tracking and motivation
Features
Read full description

Fasting Guru: Intermittent Fasting Tracker Intermittent fasting is a simple and effective way to improve your health by focusing on when you eat rather than what you eat. It is one of the most popular nutrition systems in the world and helps people achieve sustainable fat loss, improved metabolism, and long-term results. Fasting Guru is your personal companion for intermittent fasting. Whether you are just starting or already experienced, the app adapts to your lifestyle and helps you stay consistent, motivated, and informed throughout your fasting journey. Developed based on scientific research and supported by nutrition experts, Fasting Guru provides practical guidance, clear insights, and the tools you need to succeed. EVERYTHING YOU NEED FOR INTERMITTENT FASTING Fasting Timer Start and end your fast with one tap. Track your fasting history and maintain daily consistency. Personalized Fasting Plans Get a fasting plan tailored to your physiology, eating habits, and lifestyle, or create your own custom plan. Body Stages Understand what happens inside your body during fasting, including fat burning, metabolic changes, and energy levels throughout each stage. Journal Reflect on your fasting experience and track how you feel over time. Identify patterns in mood and energy. Learning Center Explore the science behind intermittent fasting, its health benefits, and practical tips you can apply right away. Motivation and Progress Stay focused on your goals and see how your body changes hour by hour during a fast. Premium Expert Content Access exclusive articles and Q&A sessions created with nutrition experts. WHY INTERMITTENT FASTING With the right intermittent fasting plan, you may experience: Fat burning Healthy weight loss Higher metabolic rate Improved digestion Better cardiovascular health Mental clarity and focus Long-term wellness and anti-aging benefits FASTING PLANS FOR EVERY LIFESTYLE Fasting Guru helps you choose the most suitable fasting plan and allows full customization. The 16:8 plan is the most popular option and is widely used for balanced and sustainable results. The 18:6 plan offers a more intensive approach for users ready to go further. The 12:12 plan follows your natural circadian rhythm and is ideal for beginners. Advanced plans such as 20:4, 24-hour, and 36-hour fasts are available for experienced users seeking deeper metabolic and longevity benefits. DESIGNED FOR SIMPLICITY A clean and intuitive interface makes fasting easy and enjoyable. An iOS widget shows your current fasting status directly on your home screen. Apple Health integration allows you to keep all your health data in one place. Download Fasting Guru to get started for free and unlock full access to all features, premium content, and your personalized fasting plan with a subscription. Believe in yourself. Stay consistent. Everything is achievable.

About

AllyFast

This app offers a streamlined fasting timer with a clean, SwiftUI-based interface. It prioritizes user privacy with local data storage and provides science-based insights into fasting stages. Enjoy a clutter-free, ad-free experience with no subscriptions.

Highlights
  • SwiftUI fasting timer
  • Local data storage
  • No subscriptions or ads
  • Fasts up to 72 hours
  • Editable fasting history
  • Science-based fasting insights
Features
Read full description

AllyFast is a beautifully crafted intermittent fasting timer built with SwiftUI. Clean, lightweight, and privacy-first. Whether you follow 16:8, 18:6, 20:4, OMAD, or extended fasts, AllyFast keeps your fasting journey simple and focused. Why AllyFast? • No subscriptions. One-time $0.99. Yours forever. • 100% private. All data stays on your device. • No ads, no trackers, no accounts, no clutter. • Ultra lightweight at just 1.7 MB. Key Features • Beautiful fasting timer with smooth SwiftUI animations • Supports intermittent fasting plans: 12:12, 14:10, 16:8, 18:6, 20:4, OMAD • Extended fasts up to 72 hours • Editable fasting history with color-coded goal tracking • Science-based fasting stage insights (fed state, ketosis, autophagy, and more) • Unlimited local import and export of your fasting data • Polished for iOS 26 Liquid Glass • Full Dark Mode support Perfect Privacy Your fasting data never leaves your iPhone. No cloud sync, no servers, no tracking. Just you and your fast. Built for Everyone From beginners exploring their first 16:8 fast to experienced fasters tracking multi-day autophagy windows, AllyFast adapts to your goals without getting in the way. No cloud. No noise. Just fasting.

Screenshots

Intermittent Fasting Tracker ™4 screens
AllyFast4 screens

Verdict

The call

The clearest difference is review sentiment: AllyFast at 100% against Intermittent Fasting Tracker ™'s 21%. AllyFast also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 16). Intermittent Fasting Tracker ™'s advantage is price (Free vs $0.99) and ratings volume (2.4K vs 18). On update cadence and device support 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

Intermittent Fasting Tracker ™ is free to download; AllyFast costs $0.99 up front. Intermittent Fasting Tracker ™ sells 16 in-app purchases, starting at $2.99 per month. AllyFast asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

AllyFast holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Intermittent Fasting Tracker ™ has 2.4K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 21% of Intermittent Fasting Tracker ™'s written reviews are positive against 100% of AllyFast's.

UpkeepUpdate frequency

Intermittent Fasting Tracker ™ ships an update every 3 weeks, AllyFast monthly. The most recent releases landed on October 14, 2026 and September 23, 2026 respectively.

Scorecard8 real differences · 2 level
Intermittent Fasting Tracker ™ versus AllyFast: the parameters behind the verdict, then further details
ParameterIntermittent Fasting Tracker ™AllyFast
PriceFree — better$0.99
Rating4.5 (2.4K ratings)5.0 (18 ratings) — better
Positive reviews21.5% of reviews100.0% of reviews — better
Number of ratings2.4K — better18
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better18.2
Further details — not scored
Size93 MB2 MB
Age rating4+4+
DeveloperFlashSoft OUWonseok Lee

Customer experience

Intermittent Fasting Tracker ™

All ratings2,410 ratings
Positive88.3%
Neutral3.8%
Negative7.9%
Written reviews107 reviews
Positive21.5%
Neutral2.8%
Negative75.7%

AllyFast

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Intermittent Fasting Tracker ™

Reported bugs

3 issues
  • Inability to edit fasting intervals
  • Inconsistent data display
  • Subscription issues

Requested features

3 requests
  • Meal plans and recipes
  • More customization options
  • Better support and communication

AllyFast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

16 purchases

Intermittent Fasting Tracker ™

Subscriptions16
  • premium month promo$2.991 Month
  • Fasting Premium$3.991 Month
  • Fasting Premium$4.997 Days
Show 13 more
  • Fasting Premium3 Days trial$4.997 Days
  • Premium for 1 month$6.991 Month
  • Fasting premium$6.993 Months
  • Fasting Premium$9.991 Month
  • 1 Month premium$9.991 Month
  • Premium for 6 months$15.996 Months
  • Premium for 3 months$17.993 Months
  • 3 months promo$17.993 Months
  • Premium for 1 year$25.991 Year
  • Fasting Premium3 Days trial$29.991 Year
  • Fasting Premium3 Days trial$39.991 Year
  • Year$39.991 Year
  • Fasting Premium$39.991 Year
None

AllyFast

No in-app purchases

Questions

Is Intermittent Fasting Tracker ™ free?
Intermittent Fasting Tracker ™ is free to download, with in-app purchases available.
Is AllyFast free?
AllyFast costs $0.99, with no in-app purchases.
Which has better reviews, Intermittent Fasting Tracker ™ or AllyFast?
AllyFast is rated higher. Intermittent Fasting Tracker ™ averages 4.5 out of 5 from 2.4K ratings, while AllyFast averages 5.0 from 18 ratings.
Do Intermittent Fasting Tracker ™ or AllyFast have ads?
Intermittent Fasting Tracker ™ shows ads; AllyFast does not.
Which is updated more often, Intermittent Fasting Tracker ™ or AllyFast?
Intermittent Fasting Tracker ™ ships an update every 3 weeks, and AllyFast monthly. Most recently, Intermittent Fasting Tracker ™ was updated on October 14, 2026 and AllyFast on September 23, 2026.

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