# Screw vs FormatFox

The clearest difference is in-app purchases: Screw at none against FormatFox's 1. Screw also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. FormatFox sells 1 one-off in-app purchase. Screw asks for nothing beyond the download.

## The numbers

| Metric | Screw | FormatFox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 12 MB | 5 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AFS Advanced Fastening Solutions GmbH](https://appshunter.io/developer/965651486) | [Levin David Schwab](https://appshunter.io/developer/1896432297) |

## What reviewers say

### Screw

[App page](https://appshunter.io/ios/app/screw-designer-basic/id965651487)

**Features:** macOS Compatibility

**In-app purchases:** none


### FormatFox

[App page](https://appshunter.io/ios/app/formatfox-file-converter/id6780056392)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FormatFox Pro | $4.99 | one-time |


## Frequently asked questions

### Is Screw free?

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

### Is FormatFox free?

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

### Do Screw or FormatFox have ads?

FormatFox shows ads; Screw does not.

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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.*