# Intermittent Fasting vs FastLeaf

The clearest difference is ads: Intermittent Fasting at none against FastLeaf's shown. Intermittent Fasting also leads on update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Intermittent Fasting ships an update every 3 days, FastLeaf every 2 weeks. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Intermittent Fasting | FastLeaf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 68 MB | 96 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sylvain Fertons](https://appshunter.io/developer/1851147694) | [SEONYONG LEE](https://appshunter.io/developer/6775892940) |

## What reviewers say

### Intermittent Fasting

[App page](https://appshunter.io/ios/app/intermittent-fasting-biwo/id6771495054)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biwo Pro Weekly | $1.99 | per 7 days |
| Biwo Pro Monthly | $4.99 | per month |
| Biwo Pro Yearly | $49.99 | per year |


### FastLeaf

[App page](https://appshunter.io/ios/app/fastleaf/id6792221245)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastLeaf Pro | $2.99 | one-time |


## Frequently asked questions

### Is Intermittent Fasting free?

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

### Is FastLeaf free?

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

### Do Intermittent Fasting or FastLeaf have ads?

FastLeaf shows ads; Intermittent Fasting does not.

### Which is updated more often, Intermittent Fasting or FastLeaf?

Intermittent Fasting ships an update every 3 days, and FastLeaf every 2 weeks. Most recently, Intermittent Fasting was updated on October 12, 2026 and FastLeaf on October 15, 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.*