# PDF Scanner vs PDF Watermark Expert

The clearest difference is ads: PDF Scanner at none against PDF Watermark Expert's shown. PDF Watermark Expert's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Scanner sells 2 in-app purchases, starting at $4.00 per 7 days and PDF Watermark Expert sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on September 17, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | PDF Scanner | PDF Watermark Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-watermark-expert/id6737170415/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 68 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelvin Kioko](https://appshunter.io/developer/1757816326) | [Muhammad Awais Younas](https://appshunter.io/developer/1771187232) |

## What reviewers say

### PDF Scanner

[App page](https://appshunter.io/ios/app/pdf-scanner-editor-and-reader/id6651829949)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.00 | per 7 days |
| Monthly | $7.99 | per month |


### PDF Watermark Expert

[App page](https://appshunter.io/ios/app/pdf-watermark-expert/id6737170415)

Easily add custom text watermarks to your PDF documents for enhanced security and branding. Personalize fonts, colors, transparency, and position to protect your files from misuse and plagiarism. The app offers a user-friendly interface and cross-platform compatibility for seamless document workflow.

**Highlights:** Add custom text watermarks, Full watermark customization, Secure PDF files, User-friendly interface, Cross-platform compatibility, Fast processing

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $2.99 | per 7 days |
| Premium Month | $7.99 | per month |
| Premium Year | $44.99 | per year |


## Frequently asked questions

### Is PDF Scanner free?

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

### Is PDF Watermark Expert free?

PDF Watermark Expert is free to download, with in-app purchases available.

### Do PDF Scanner or PDF Watermark Expert have ads?

PDF Watermark Expert shows ads; PDF Scanner does not.

### Which is updated more often, PDF Scanner or PDF Watermark Expert?

PDF Scanner ships an update every 4 months, and PDF Watermark Expert every 4 months. Most recently, PDF Scanner was updated on September 17, 2026 and PDF Watermark Expert on July 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*