# PDF Reader Pro vs Léon

The clearest difference is in-app purchases: Léon at none against PDF Reader Pro's 2. Léon also leads on update cadence (daily vs every 8 days) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Reader Pro sells 2 in-app purchases, starting at $4.99 per 7 days. Léon asks for nothing beyond the download.

PDF Reader Pro ships an update every 8 days, Léon daily. The most recent releases landed on October 14, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro | Léon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-scan-and-sign/id6751742897/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 13 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Space Node Co., Ltd.](https://appshunter.io/developer/475017562) | [1TENDANCE SERVICES](https://appshunter.io/developer/6797950445) |

## What reviewers say

### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-scan-and-sign/id6751742897)

This app allows you to read, edit, annotate, sign, and manage PDF documents on your iPhone and iPad. It includes features for scanning, merging, splitting, converting, and securing PDFs, with iCloud sync for seamless cross-device access.

**Highlights:** PDF Viewer & Reader, Scan Documents to PDF, Sign & Manage Signatures, Annotate & Markup PDFs, Merge, Split, Compress PDFs, Convert Images/Text to PDF, iCloud Sync

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Pro Version | $4.99 | per 7 days |
| PDF Reader Pro Version | $14.99 | per month |


### Léon

[App page](https://appshunter.io/ios/app/leon-intervention/id6801437565)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader Pro free?

PDF Reader Pro is free to download, with in-app purchases available.

### Is Léon free?

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

### Do PDF Reader Pro or Léon have ads?

Neither PDF Reader Pro nor Léon shows ads.

### Which is updated more often, PDF Reader Pro or Léon?

PDF Reader Pro ships an update every 8 days, and Léon daily. Most recently, PDF Reader Pro was updated on October 14, 2026 and Léon on October 18, 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.*