# Fasting Clock vs Intermittent Fasting Flow

The clearest difference is ads: Intermittent Fasting Flow at none against Fasting Clock's shown. Intermittent Fasting Flow also leads on update cadence (every 4 days vs every 5 months). Fasting Clock's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fasting Clock sells 3 in-app purchases, starting at $0.99 per 7 days and Intermittent Fasting Flow sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Clock ships an update every 5 months, Intermittent Fasting Flow every 4 days. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Fasting Clock | Intermittent Fasting Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 23 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Afriwan Ahda](https://appshunter.io/developer/1330133888) | [IVAYLO PLAMENOV VACHKOV](https://appshunter.io/developer/1869829896) |

## What reviewers say

### Fasting Clock

[App page](https://appshunter.io/ios/app/fasting-clock-timer-and-streaks/id6757719151)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Access | $0.99 | per 7 days |
| Monthly Premium Access | $2.99 | per month |
| Yearly Premium Access | $17.99 | per year |


### Intermittent Fasting Flow

[App page](https://appshunter.io/ios/app/intermittent-fasting-flow/id6758163617)

Track your fasting periods with a clean, ad-free timer. Choose from various fasting plans and monitor your progress with live widgets. Sync data with Apple Health and use Siri shortcuts for hands-free control.

**Highlights:** Ad-free fasting timer, Lock screen and home screen widgets, Multiple fasting plan durations, Customizable start times, Streak tracking and milestone badges, Apple Health integration, Siri shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is Fasting Clock free?

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

### Is Intermittent Fasting Flow free?

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

### Do Fasting Clock or Intermittent Fasting Flow have ads?

Fasting Clock shows ads; Intermittent Fasting Flow does not.

### Which is updated more often, Fasting Clock or Intermittent Fasting Flow?

Fasting Clock ships an update every 5 months, and Intermittent Fasting Flow every 4 days. Most recently, Fasting Clock was updated on September 14, 2026 and Intermittent Fasting Flow on September 22, 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.*