# Fastyn vs Intermit

The clearest difference is update cadence: Intermit at monthly against Fastyn's every 3 months. Intermit also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Fastyn sells 3 in-app purchases, starting at $1.99 per 7 days and Intermit sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fastyn ships an update every 3 months, Intermit monthly. The most recent releases landed on September 27, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Fastyn | Intermit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 35 MB | 33 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MANUEL MATAS GALEOTE](https://appshunter.io/developer/1794633190) | [Sara El Harkaoui](https://appshunter.io/developer/1832300185) |

## What reviewers say

### Fastyn

[App page](https://appshunter.io/ios/app/fastyn-intermittent-fasting/id6744653719)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastyn Plus Weekly | $1.99 | per 7 days |
| Fastyn Plus Monthly | $3.99 | per month |
| Fastyn Plus Annual | $17.99 | per year |


### Intermit

[App page](https://appshunter.io/ios/app/intermit-fasting-timer/id6758806511)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is Fastyn free?

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

### Is Intermit free?

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

### Do Fastyn or Intermit have ads?

Neither Fastyn nor Intermit shows ads.

### Which is updated more often, Fastyn or Intermit?

Fastyn ships an update every 3 months, and Intermit monthly. Most recently, Fastyn was updated on September 27, 2026 and Intermit on September 13, 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.*