Comparison

Rhythm vs iFasting・Intermittent Fasting

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

Head to head
About

Rhythm

This app simplifies intermittent fasting with a daily tracker. It supports various fasting schedules, from beginner-friendly to advanced, and helps users monitor their progress over time. Get notifications when your fast is complete.

Highlights
  • Daily fasting tracker
  • Flexible schedule support
  • Weekly progress tracking
  • Customizable fasting goals
  • One-click start
  • Progress monitoring
  • Completion notifications
Features
Read full description

Rhythm is a simple intermittent fasting tracker for people who want a clean fast timer without the bloat. No account. No ads. Just a focused way to start a fast, stay on track, and review your history when you're done. Choose any fasting goal from 7 to 24 hours, including popular rhythms like 16:8 and 18:6. Start a fast in seconds, follow your progress live, and switch between countdown and elapsed timer views. Rhythm helps you stay consistent with: - flexible fasting goals - multiple fasts in the same day - reminder and completion notifications - editable fasting history - weekly progress insights If you want a fasting app that feels simple, respectful, and easy to trust, Rhythm gives you the essentials and gets out of your way.

About

iFasting・Intermittent Fasting

This app offers personalized guidance for weight loss and improved health through intermittent fasting. It includes tools for tracking food, weight, water, sleep, and activity, along with scientific insights and motivational statistics to foster healthy habits.

Highlights
  • Personalized workout and nutrition plans
  • Intermittent fasting timer and tracker
  • Food, weight, water, sleep, and activity tracking
  • Scientific guidance and nutrition insights
  • Motivational statistics and progress visualization
  • Cognitive therapy practice-based tips
Features
Read full description

Do you want to lose weight and make you look better and more active in busy life? Do you want to improve your health through exercising for 1 hours a day, weigh food, calories and water intaking, as well as enhancing sleep quality? Do you want to simplify your lifestyle by coach specially set with scientific nutrition and guidance? All you need to do is to download iFasting! Personalized workout and nutrition plans supported by real human coaches, comprehensive progress tracking, and cognitive therapy practice-based tips. Let's start your health journey. intuitive fasting tool to guide you to a self-determined life with healthy habits. You’ll lose weight effectively and feel more active! No diet and no yo-yo effect. FastTrack is a powerful intuitive fasting tool to guide you to lose your weight, improve your health and simplify your lifestyle with healthy habits. FastTrack will help you foster self-determined life habits with a a longer and healthier life. FastTrack will not only focus on the foods which should eat, but also when you should eat. Learn and figure out the scientific principles of healthy eating and living, so you can achieve a better life. FastTrack Makes You Better: Scientific Guidance A customized wholesome guidance for your healthy life including a variety of exercise instructions, eating habits, nutrition insights, sleeping time based on your busy schedule. Scientific Tools FastTrack is a comprehensive app with Food Tracker, Weight Tracker, Water Tracker, Sleep Tracker, Activity Tracker and Reminders which will give you a detailed step towards healthy life. Scientific Background Professional knowledge for intermittent fasting and nutrition, how to choose right foods and appropriate exercise, boost your body and refresh your mind of healthy life. Scientific Motivation FastTrack will visualize your fasting process by statistics, and timely encourage you with your tracking changes, reveal your track process of nutrition, water intaking, sleep quality and weight. Self-reflective statistics will motivate you to a more healthy life. Disclaimer: FastTrack is a change in eating habits, cannot give any medical advice. It is not suitable for pregnant/nursing women, children under 18 years of age, or people with diagnosed eating disorders. Consult your doctor or health care professional. Subscription Info: - $9.99 Weekly and $29.99 Lifetime. - Payment will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period at the cost of the chosen package. - You can manage your subscription and/or turn off auto-renewal by going to your iTunes Account Settings, but refunds will not be given for any unused portion of the term. Terms of Use: https://sites.google.com/view/terms-of-use-fasting/home Privacy Policy: https://sites.google.com/view/privacy-policy-fastingif/home

Screenshots

Rhythm4 screens
iFasting・Intermittent Fasting4 screens

Verdict

The call

Rhythm and iFasting・Intermittent Fasting both sit at 4.7 stars, but that hides the real split: 89% of Rhythm's written reviews are positive against 0% of iFasting・Intermittent Fasting's. Rhythm also leads on in-app purchases (none vs 4) and ratings volume (454 vs 68). iFasting・Intermittent Fasting's advantage is update cadence (every 9 days vs every 13 months) and iOS requirement (11.0 vs 17.6). On price, rating, ads 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. iFasting・Intermittent Fasting sells 4 in-app purchases, starting at $7.99 per month. Rhythm asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Rhythm against 4.7 for iFasting・Intermittent Fasting. That said, the two scores are not equally well evidenced: Rhythm has 454 ratings behind it against 68, so its average is the more settled of the two. Written reviews are what separate them: 89% of Rhythm's written reviews are positive against 0% of iFasting・Intermittent Fasting's.

UpkeepUpdate frequency

Rhythm ships an update every 13 months, iFasting・Intermittent Fasting every 9 days. The most recent releases landed on August 10, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 4 level
Rhythm versus iFasting・Intermittent Fasting: the parameters behind the verdict, then further details
ParameterRhythmiFasting・Intermittent Fasting
PriceFreeFree
Rating4.7 (454 ratings)4.7 (68 ratings) — better
Positive reviews88.5% of reviews — better0.0% of reviews
Number of ratings454 — better68
Update frequencyEvery 13 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS17.611.0 — better
Further details — not scored
Size3 MB40 MB
Age rating12+4+
DeveloperBijan Cronin英汉 郭

Customer experience

Rhythm

All ratings444 ratings
Positive91.9%
Neutral3.8%
Negative4.3%
Written reviews235 reviews
Positive88.5%
Neutral6.0%
Negative5.5%

iFasting・Intermittent Fasting

All ratings68 ratings
Positive94.1%
Neutral1.5%
Negative4.4%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Rhythm

Reported bugs

2 issues
  • Can't add past fasts
  • Inconsistent weekly progress tracking

Requested features

5 requests
  • Ability to track longer fasts (e.g., 48-72 hours)
  • Option to view fasting history beyond the past week
  • Customizable notifications and reminders
  • Integration with health/fitness tracking apps
  • Weight tracking and progress visualization

iFasting・Intermittent Fasting

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rhythm

No in-app purchases

4 purchases

iFasting・Intermittent Fasting

Subscriptions3
  • Monthly Subscription$7.991 Month
  • Quarterly Subscription$12.993 Months
  • Yearly Subscription$29.991 Year
One-time1
  • Lifetime Purchase$29.99

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is iFasting・Intermittent Fasting free?
iFasting・Intermittent Fasting is free to download, with in-app purchases available.
Which has better reviews, Rhythm or iFasting・Intermittent Fasting?
iFasting・Intermittent Fasting is rated higher. Rhythm averages 4.7 out of 5 from 454 ratings, while iFasting・Intermittent Fasting averages 4.7 from 68 ratings.
Do Rhythm or iFasting・Intermittent Fasting have ads?
Neither Rhythm nor iFasting・Intermittent Fasting shows ads.
Which is updated more often, Rhythm or iFasting・Intermittent Fasting?
Rhythm ships an update every 13 months, and iFasting・Intermittent Fasting every 9 days. Most recently, Rhythm was updated on August 10, 2026 and iFasting・Intermittent Fasting on September 21, 2026.

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