# PDFocus vs Chiffrex

The clearest difference is in-app purchases: PDFocus at none against Chiffrex's 1. PDFocus also leads on ads (none vs shown). Chiffrex's advantage is update cadence (every 8 days vs every 3 weeks) and iOS requirement (15.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. Chiffrex sells 1 in-app purchase, starting at $24.99 per year. PDFocus asks for nothing beyond the download.

PDFocus ships an update every 3 weeks, Chiffrex every 8 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | PDFocus | Chiffrex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 3 MB | 58 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dev First](https://appshunter.io/developer/1716876343) | [Alexis Rarchaert](https://appshunter.io/developer/1848419390) |

## What reviewers say

### PDFocus

[App page](https://appshunter.io/ios/app/pdfocus/id6758308559)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chiffrex

[App page](https://appshunter.io/ios/app/chiffrex-carburants/id6760158725)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chiffrex+ - Annuel | $24.99 | per year |


## Frequently asked questions

### Is PDFocus free?

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

### Is Chiffrex free?

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

### Do PDFocus or Chiffrex have ads?

Chiffrex shows ads; PDFocus does not.

### Which is updated more often, PDFocus or Chiffrex?

PDFocus ships an update every 3 weeks, and Chiffrex every 8 days. Most recently, PDFocus was updated on October 28, 2026 and Chiffrex on October 28, 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.*