# Fasten vs Windo

The clearest difference is in-app purchases: Fasten at none against Windo's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Windo sells 2 in-app purchases, starting at $5.99 per month. Fasten asks for nothing beyond the download.

## The numbers

| Metric | Fasten | Windo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 35 MB | 35 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Yoel Mebrahtu](https://appshunter.io/developer/1886822133) | [Accenture Software](https://appshunter.io/developer/1896509855) |

## What reviewers say

### Fasten

[App page](https://appshunter.io/ios/app/fasten-fasting-tracker/id6760921042)

**Features:** macOS Compatibility

**In-app purchases:** none


### Windo

[App page](https://appshunter.io/ios/app/windo-fasting-tracker/id6791487250)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is Fasten free?

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

### Is Windo free?

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

### Do Fasten or Windo have ads?

Neither Fasten nor Windo shows ads.

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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.*