# PDF Secure vs Simple QR Code Generator Pro

The clearest difference is device support: PDF Secure at 3 against Simple QR Code Generator Pro's —. PDF Secure also leads on iOS requirement (13.0 vs 17.0). On price 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 | PDF Secure | Simple QR Code Generator Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (376 ratings)](https://appshunter.io/ios/app/pdf-secure/id1515466852/reviews)** | — |
| Number of ratings | **376** | — |
| Positive reviews | 98.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 9 months | — |
| Monetization | Free | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [iSolid apps](https://appshunter.io/developer/1215383083) | [HASAN BAGCI](https://appshunter.io/developer/1886926527) |

## What reviewers say

### PDF Secure

[App page](https://appshunter.io/ios/app/pdf-secure/id1515466852)

Secure your PDF documents by adding password protection, ensuring they cannot be opened without authorization. You can also easily remove existing password protection from your files. This app offers a straightforward process for safeguarding your sensitive information.

**Highlights:** Password protect PDF documents, Remove PDF password protection, Cross-platform compatibility, Export to various locations, Dark mode support

**In-app purchases:** none


### Simple QR Code Generator Pro

[App page](https://appshunter.io/ios/app/simple-qr-code-generator-pro/id6760936882)

**In-app purchases:** none


## Frequently asked questions

### Is PDF Secure free?

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

### Is Simple QR Code Generator Pro free?

Simple QR Code Generator Pro is free to download, with no in-app purchases.

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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.*