Comparison

Intermittent Fasting Tracker ™ vs FastSloth

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

FastSloth

This app helps you track intermittent fasting with customizable schedules and real-time indicators of your body's stages. It also includes hydration logging, weight tracking with visual progress charts, and smart notifications to keep you on track. All your data stays private on your device.

Highlights
  • Customizable fasting schedules
  • Real-time ketosis and autophagy indicators
  • Hydration logging and reminders
  • Weight tracking with progress charts
  • Streak tracking and milestone badges
  • Home screen widgets
  • Private, no account required
Features
Read full description

No account. No subscription. No data leaves your phone. FastSloth is a private intermittent fasting tracker with fasting insights, **calorie tracking, a personal recipe book**, hydration and weight tracking, Home Screen widgets, and **custom themes with a Theme Builder**. Start fasting in one tap. ## NEW: CALORIE TRACKER & RECIPE BOOK Track your daily calories alongside your fasting progress. Log meals and foods throughout the day, see your calorie totals at a glance, and keep everything together in one simple place. Save your favorite meals in your personal Recipe Book so you can quickly reuse recipes and keep track of what you eat. ## THEMES & THEME BUILDER Choose a built-in theme or create your own. Customize colors and appearance with the Theme Builder and make FastSloth feel like yours. ## FASTING MADE SIMPLE Start with one tap. Choose 16:8, 14:10, 18:6, 20:4, OMAD, or create a custom fasting schedule. See estimated fasting stages as you progress, including fat burning, ketosis, and autophagy. ## CALORIE TRACKING Log your meals and track your daily calorie intake. See how your nutrition fits alongside your fasting schedule, hydration, and weight progress. ## RECIPE BOOK Save and organize your favorite recipes directly in FastSloth. Keep the meals you make most often close at hand and quickly reuse them when tracking what you eat. ## HYDRATION Log water in seconds, track daily progress, and set hydration reminders. See your progress from the Home Screen with the hydration widget. ## WEIGHT & INSIGHTS Track your weight over time with simple charts that make trends easy to see. ## SMART NOTIFICATIONS * Fast start and end alerts * Fasting stage notifications * Water reminders ## STREAKS & MILESTONES Track completed fasts, build streaks, and unlock milestone badges. ## HOME SCREEN WIDGETS See your current fast, hydration progress, and streak without opening the app. ## PRIVATE BY DESIGN No account. No subscription. Your fasting history, calorie logs, recipes, weight, hydration logs, and settings stay on your device. ## FASTING PROTOCOLS * **16:8** * **14:10** * **18:6** * **20:4** * **23:1 / OMAD** * **Custom schedules** Private. Personal. Lightweight. **Download FastSloth and start fasting your way.**

Screenshots

Intermittent Fasting Tracker ™4 screens
FastSloth4 screens

Verdict

The call

The clearest difference is ads: FastSloth at none against Intermittent Fasting Tracker ™'s shown. FastSloth also leads on rating (5.0 vs 4.5) and update cadence (every 6 days vs every 3 weeks). Intermittent Fasting Tracker ™'s advantage is ratings volume (2.4K vs 5) and iOS requirement (16.6 vs 26.0). On price, in-app purchases, monetization model 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

Both are free to download. Intermittent Fasting Tracker ™ sells 16 in-app purchases, starting at $2.99 per month and FastSloth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

FastSloth 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 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Intermittent Fasting Tracker ™ ships an update every 3 weeks, FastSloth every 6 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Intermittent Fasting Tracker ™ versus FastSloth: the parameters behind the verdict, then further details
ParameterIntermittent Fasting Tracker ™FastSloth
PriceFreeFree
Rating4.5 (2.4K ratings)5.0 (5 ratings) — better
Positive reviews21.5% of reviews—
Number of ratings2.4K — better5
Update frequencyEvery 3 weeksEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS16.6 — better26.0
Further details — not scored
Size93 MB9 MB
Age rating4+12+
DeveloperFlashSoft OUDarren Paul

Customer experience

Intermittent Fasting Tracker ™

All ratings2,422 ratings
Positive88.4%
Neutral3.8%
Negative7.9%
Written reviews107 reviews
Positive21.5%
Neutral2.8%
Negative75.7%

FastSloth

All ratings4 ratings
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

FastSloth

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
1 purchases

FastSloth

One-time1
  • Premium Lifetime$1.99

Questions

Is Intermittent Fasting Tracker ™ free?
Intermittent Fasting Tracker ™ is free to download, with in-app purchases available.
Is FastSloth free?
FastSloth is free to download, with in-app purchases available.
Which has better reviews, Intermittent Fasting Tracker ™ or FastSloth?
FastSloth is rated higher. Intermittent Fasting Tracker ™ averages 4.5 out of 5 from 2.4K ratings, while FastSloth averages 5.0 from 5 ratings.
Do Intermittent Fasting Tracker ™ or FastSloth have ads?
Intermittent Fasting Tracker ™ shows ads; FastSloth does not.
Which is updated more often, Intermittent Fasting Tracker ™ or FastSloth?
Intermittent Fasting Tracker ™ ships an update every 3 weeks, and FastSloth every 6 days. Most recently, Intermittent Fasting Tracker ™ was updated on October 27, 2026 and FastSloth on October 24, 2026.

Other comparisons