# PDF Guardㅤ vs Pix

The clearest difference is update cadence: Pix at every 3 months against PDF Guardㅤ's every 20 months. PDF Guardㅤ's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

PDF Guardㅤ ships an update every 20 months, Pix every 3 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PDF Guardㅤ | Pix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 3 months** |
| Size | 27 MB | 6 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Hrishi Suthar](https://appshunter.io/developer/1660005858) | [Tobias Schmitt](https://appshunter.io/developer/1830261059) |

## What reviewers say

### PDF Guardㅤ

[App page](https://appshunter.io/ios/app/pdf-guard/id6475248978)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pix

[App page](https://appshunter.io/ios/app/pix-convert/id6761598495)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Guardㅤ free?

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

### Is Pix free?

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

### Do PDF Guardㅤ or Pix have ads?

Neither PDF Guardㅤ nor Pix shows ads.

### Which is updated more often, PDF Guardㅤ or Pix?

PDF Guardㅤ ships an update every 20 months, and Pix every 3 months. Most recently, PDF Guardㅤ was updated on October 12, 2026 and Pix on October 8, 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.*