# Intermittent vs Fast!

The clearest difference is in-app purchases: Fast! at none against Intermittent's 4. Fast! also leads on iOS requirement (15.0 vs 17.6). Intermittent's advantage is update cadence (every 4 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Intermittent sells 4 in-app purchases, starting at $4.99 per month. Fast! asks for nothing beyond the download.

Intermittent ships an update every 4 days, Fast! every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Intermittent | Fast! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (18 ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker-plus/id6756629485/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 33 MB | 9 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [BARBAROS SELIM BUYUKELCI](https://appshunter.io/developer/1861903946) | [chris marinelli](https://appshunter.io/developer/1847081696) |

## What reviewers say

### Intermittent

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker-plus/id6756629485)

Easily track your intermittent fasting with a visual timeline and preset or custom plans. Integrate with Apple Health for a holistic view of your wellness. Stay updated with widgets and Apple Watch support.

**Highlights:** Fasting timer, Visual stage timeline, Preset and custom plans, Apple Health integration, Apple Watch app, Widgets and Live Activities

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| 3 Months Premium | $9.99 | per 3 months |
| 6 Months Premium | $24.99 | per 6 months |
| Yearly Premium | $34.99 | per year |


### Fast!

[App page](https://appshunter.io/ios/app/fast/id6758735858)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intermittent free?

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

### Is Fast! free?

Fast! is free to download, with no in-app purchases.

### Do Intermittent or Fast! have ads?

Neither Intermittent nor Fast! shows ads.

### Which is updated more often, Intermittent or Fast!?

Intermittent ships an update every 4 days, and Fast! every 5 weeks. Most recently, Intermittent was updated on October 24, 2026 and Fast! on October 25, 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.*