Comparison

Rhythm vs Simple Fasting App

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

Simple Fasting App

This app simplifies intermittent fasting with a focus on privacy and ease of use. It offers popular fasting schedules, progress tracking, and smart notifications without ads, subscriptions, or data collection.

Highlights
  • Free and private
  • Popular fasting schedules
  • Progress tracking
  • Smart notifications
  • Intuitive design
  • Customizable themes
  • Quick start
Features
Read full description

Track intermittent fasting with a clear timer, flexible plans and a history you can return to. Simple Fasting App is free to use, with every feature included and no ads or subscriptions. Start without creating an account. A PLAN THAT FITS YOUR DAY Choose 12:12, 16:8, 18:6, 20:4 or a 24-hour fast, or set your own duration. Adjust the start time if you forgot to start the timer. Finish whenever you need to; reaching your target does not automatically end your fast. YOUR PROGRESS AT A GLANCE See elapsed time, time remaining and your planned finish time. Set an optional completion reminder. Follow your fast with Home Screen widgets, Live Activities and Dynamic Island on supported iPhones. APPLE WATCH AND SIRI Start and finish a fast from your Apple Watch. Your session syncs with your paired iPhone when connectivity is available. Tap the watch dial to open its controls. Use Siri and Shortcuts to manage your fast, ask about time and history, or change the timer display. You can also choose your next plan through a shortcut while your current fast continues. Siri availability depends on language, device and system settings. A HISTORY THAT MAKES SENSE Review completed fasts, average duration, your longest fast and weekly or monthly patterns. Open a day to see its sessions and timeline. Use the roomier iPad layout in portrait or landscape. LEARN AS YOU GO Explore illustrated fasting-stage guides with source links. The stages are general estimates based on elapsed time, not measurements of your metabolism or guarantees of a health result. PRIVATE AND PERSONAL Your fasting records are stored locally on your devices. The app does not collect or sell your fasting data. Paired iPhone–Watch syncing and optional Siri features use Apple system services; details are in the privacy policy. Choose light or dark appearance and your preferred accent color. Available in English, Turkish, German and Spanish. Simple Fasting App is a personal tracking tool and does not provide medical advice. Choose your plan and start when you are ready.

Screenshots

Rhythm4 screens
Simple Fasting App4 screens

Verdict

The call

The clearest difference is update cadence: Simple Fasting App at every 6 weeks against Rhythm's every 13 months. Rhythm's advantage is rating (4.7 vs 4.4) and ratings volume (458 vs 38). On price, ads, in-app purchases and monetization model 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

Rhythm holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Rhythm has 458 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 89% of Rhythm's written reviews are positive against 77% of Simple Fasting App's.

UpkeepUpdate frequency

Rhythm ships an update every 13 months, Simple Fasting App every 6 weeks. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

Scorecard4 real differences · 6 level
Rhythm versus Simple Fasting App: the parameters behind the verdict, then further details
ParameterRhythmSimple Fasting App
PriceFreeFree
Rating4.7 (458 ratings) — better4.4 (38 ratings)
Positive reviews88.6% of reviews — better76.9% of reviews
Number of ratings458 — better38
Update frequencyEvery 13 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS17.617.6
Further details — not scored
Size3 MB6 MB
Age rating12+4+
DeveloperBijan CroninMehmet Emrah Konya

Customer experience

Rhythm

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

Simple Fasting App

All ratings38 ratings
Positive81.6%
Neutral10.5%
Negative7.9%
Written reviews13 reviews
Positive76.9%
Neutral23.1%
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

Simple Fasting App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Rhythm

No in-app purchases

None

Simple Fasting App

No in-app purchases

Questions

Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Is Simple Fasting App free?
Simple Fasting App is free to download, with no in-app purchases.
Which has better reviews, Rhythm or Simple Fasting App?
Rhythm is rated higher. Rhythm averages 4.7 out of 5 from 458 ratings, while Simple Fasting App averages 4.4 from 38 ratings.
Do Rhythm or Simple Fasting App have ads?
Neither Rhythm nor Simple Fasting App shows ads.
Which is updated more often, Rhythm or Simple Fasting App?
Rhythm ships an update every 13 months, and Simple Fasting App every 6 weeks. Most recently, Rhythm was updated on October 20, 2026 and Simple Fasting App on October 19, 2026.

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