# Intermittent Fasting Clock vs Fast

The clearest difference is update cadence: Intermittent Fasting Clock at monthly against Fast's every 12 months. Fast's advantage is iOS requirement (13.0 vs 16.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Intermittent Fasting Clock sells 3 in-app purchases, starting at $1.99 per 7 days and Fast sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Intermittent Fasting Clock ships an update monthly, Fast every 12 months. The most recent releases landed on September 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting Clock | Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/intermittent-fasting-clock/id6743335485/reviews)** | — |
| Number of ratings | **10** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 74 MB |
| Requires iOS | 16.1 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ESPRESSO TECH (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/1812366711) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### Intermittent Fasting Clock

[App page](https://appshunter.io/ios/app/intermittent-fasting-clock/id6743335485)

This app helps you adopt a healthy lifestyle through intermittent fasting. It offers personalized plans, tracks your progress, and provides guidance on nutrition and weight loss. Achieve your wellness goals with easy-to-use tools and insights.

**Highlights:** Personalized fasting plans, Weight loss tracking, Water intake tracker, Step counter, Fasting timer with notifications, Nutrition and health insights, Recipe suggestions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Monthly Access | $3.99 | per month |
| Yearly Access | $19.99 | per year |


### Fast

[App page](https://appshunter.io/ios/app/fast-fasting-timer/id6743695812)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is Intermittent Fasting Clock free?

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

### Is Fast free?

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

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

Both Intermittent Fasting Clock and Fast show ads.

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

Intermittent Fasting Clock ships an update monthly, and Fast every 12 months. Most recently, Intermittent Fasting Clock was updated on September 2, 2026 and Fast on September 9, 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.*