# Fast Rhythm vs Fasting Timer

The clearest difference is update cadence: Fasting Timer at every 11 days against Fast Rhythm's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fast Rhythm sells 2 in-app purchases, starting at $4.99 per month and Fasting Timer sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Fast Rhythm ships an update every 6 weeks, Fasting Timer every 11 days. The most recent releases landed on July 9, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Fast Rhythm | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fast-rhythm-fasting-and-sleep/id6760157764/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Freemium | — |
| Size | 1 MB | 7 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [家宝 戴](https://appshunter.io/developer/1826395838) | [Nicolas Dojcilovic](https://appshunter.io/developer/1890278667) |

## What reviewers say

### Fast Rhythm

[App page](https://appshunter.io/ios/app/fast-rhythm-fasting-and-sleep/id6760157764)

This app helps you build consistent daily routines by tracking fasting and sleep patterns. It provides a unified score to monitor your metabolic rhythm and offers insights for sustainable habit building. Focuses on privacy with offline, on-device data storage.

**Highlights:** Fasting timer with customizable plans, Sleep rhythm logging and quality rating, Metabolic Rhythm Score for habit feedback, Weekly rhythm reports, Personalized insights and recommendations, Streaks, achievements, and progress tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasting Pro Monthly | $4.99 | per month |
| Fasting Pro Yearly | $19.99 | per year |


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-fastclear/id6762476052)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastClear Pro Monthly | $3.99 | per month |
| FastClear Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Fast Rhythm free?

Fast Rhythm is free to download, with in-app purchases available.

### Is Fasting Timer free?

Fasting Timer is free to download, with in-app purchases available.

### Do Fast Rhythm or Fasting Timer have ads?

Neither Fast Rhythm nor Fasting Timer shows ads.

### Which is updated more often, Fast Rhythm or Fasting Timer?

Fast Rhythm ships an update every 6 weeks, and Fasting Timer every 11 days. Most recently, Fast Rhythm was updated on July 9, 2026 and Fasting Timer on September 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*