# FA 4xx App vs PDF Combine

The clearest difference is device support: FA 4xx App at 3 against PDF Combine's 1. FA 4xx App also leads on iOS requirement (9.0 vs 17). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FA 4xx App | PDF Combine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | — |
| Size | 93 MB | 2 MB |
| Requires iOS | **9.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Woehler Technik GmbH](https://appshunter.io/developer/959456679) | [Addison Bowles](https://appshunter.io/developer/6785786356) |

## What reviewers say

### FA 4xx App

[App page](https://appshunter.io/ios/app/fa-4xx-app/id1466210879)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Combine

[App page](https://appshunter.io/ios/app/pdf-combine/id6790044633)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FA 4xx App free?

FA 4xx App is free to download, with no in-app purchases.

### Is PDF Combine free?

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

### Do FA 4xx App or PDF Combine have ads?

Neither FA 4xx App nor PDF Combine 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.*