Comparison

Rhythm vs HeyFast

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

HeyFast

This app guides you through personalized intermittent fasting schedules like 16:8 and 14:10. Track your weight, receive reminders, and build sustainable healthy habits for long-term weight management.

Highlights
  • Personalized intermittent fasting plans
  • Multiple fasting schedules (16:8, 14:10, 18:6)
  • Daily weight tracking
  • Progress visualization
  • Healthy habit building tools
  • Reminders and motivation
Read full description

Start your journey toward a healthier lifestyle with an intermittent fasting plan tailored just for you. Choose from schedules such as 16:8, 14:10, or 18:6. Use the fasting timer to manage your fasting and eating windows at your own pace. Whether you prefer a shorter daily schedule or a longer fasting period, choose a routine that fits your day. Check when each fast starts and ends, follow your current window, and adjust your schedule whenever your routine changes. Track your daily weight with the weight tracker to visualize your progress and stay motivated. Regular entries make it easy to review changes over time and keep your progress in perspective. This fasting app helps you focus on sustainable weight management and building long-term healthy habits. If a day does not go as planned, return to your chosen schedule and continue at a pace that works for your lifestyle. Key Features - Intermittent fasting plans (16:8, 14:10, and more) - Fasting timer to monitor the start and end of each fasting period - Weight tracker and daily weight log to monitor your progress - Fasting window and eating window tracking - Fasting reminders and motivation to help you stay consistent Choose a plan, check your current window, record your weight, and turn on reminders when you need them. HeyFast brings these tools together in a simple intermittent fasting tracker that keeps your routine clear and manageable. Choose a plan that fits you Organize your routine with popular schedules such as 16:8, 14:10, or 18:6. Select the plan that works for your day and adjust your eating window whenever your routine changes. Track your progress Record your weight daily and review changes over time. Use your weight history and progress insights to stay consistent and recognize the habits you build day by day. Reminders at the right time Turn on notifications for alerts when your fast starts and ends. Fasting reminders help you follow your routine even on busy days. DISCLAIMER This app does not provide medical services and is not intended for diagnosis or treatment of any disease. If you experience health issues or suspect a medical condition, please consult a qualified healthcare professional. Stay consistent and discover your own rhythm for a healthier, balanced life! --- Terms of Service: https://nomad88.com/heyfast/terms.en Privacy Policy: https://nomad88.com/heyfast/privacy.en Contact: nomad88.software@gmail.com

Screenshots

Rhythm4 screens
HeyFast4 screens

Verdict

The call

The clearest difference is in-app purchases: Rhythm at none against HeyFast's 3. Rhythm also leads on ratings volume (458 vs 27). HeyFast's advantage is update cadence (every 2 weeks vs every 13 months) and review sentiment (100% vs 89%). 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. HeyFast sells 3 in-app purchases, starting at $1.99 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 4.8 for HeyFast. That said, the two scores are not equally well evidenced: Rhythm has 458 ratings behind it against 27, 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 100% of HeyFast's.

UpkeepUpdate frequency

Rhythm ships an update every 13 months, HeyFast every 2 weeks. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

Scorecard6 real differences · 4 level
Rhythm versus HeyFast: the parameters behind the verdict, then further details
ParameterRhythmHeyFast
PriceFreeFree
Rating4.7 (458 ratings)4.8 (27 ratings) — better
Positive reviews88.6% of reviews100.0% of reviews — better
Number of ratings458 — better27
Update frequencyEvery 13 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size3 MB72 MB
Age rating12+17+
DeveloperBijan CroninNomad88 Co., Ltd.

Customer experience

Rhythm

All ratings444 ratings
Positive91.9%
Neutral3.8%
Negative4.3%
Written reviews236 reviews
Positive88.6%
Neutral5.9%
Negative5.5%

HeyFast

All ratings27 ratings
Positive92.6%
Neutral7.4%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

HeyFast

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rhythm

No in-app purchases

3 purchases

HeyFast

Subscriptions2
  • HeyFast Pro - Monthly$1.991 Month
  • HeyFast Pro - Yearly7 Days trial$12.991 Year
One-time1
  • HeyFast Pro Lifetime$24.99

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is HeyFast free?
HeyFast is free to download, with in-app purchases available.
Which has better reviews, Rhythm or HeyFast?
HeyFast is rated higher. Rhythm averages 4.7 out of 5 from 458 ratings, while HeyFast averages 4.8 from 27 ratings.
Do Rhythm or HeyFast have ads?
Neither Rhythm nor HeyFast shows ads.
Which is updated more often, Rhythm or HeyFast?
Rhythm ships an update every 13 months, and HeyFast every 2 weeks. Most recently, Rhythm was updated on October 23, 2026 and HeyFast on October 9, 2026.

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