# PDF Reader Pro for Document vs Scan to PDF Scanner

The clearest difference is ads: Scan to PDF Scanner at none against PDF Reader Pro for Document's shown. PDF Reader Pro for Document's advantage is rating (4.7 vs 4.5) and ratings volume (386 vs 31). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Reader Pro for Document sells 2 in-app purchases, starting at $6.99 per month and Scan to PDF Scanner sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Reader Pro for Document holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: PDF Reader Pro for Document has 386 ratings behind it against 31, so its average is the more settled of the two.

PDF Reader Pro for Document ships an update every 3 weeks, Scan to PDF Scanner fortnightly. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro for Document | Scan to PDF Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (386 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-for-document/id1548604990/reviews)** | [4.5 (31 ratings)](https://appshunter.io/ios/app/scan-to-pdf-scanner-scanlygo/id6756326673/reviews) |
| Number of ratings | **386** | 31 |
| Positive reviews | 86.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 73 MB | 17 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fan Technology Limited](https://appshunter.io/developer/1503499100) | [Said Rehouni](https://appshunter.io/developer/1493336841) |

## What reviewers say

### PDF Reader Pro for Document

[App page](https://appshunter.io/ios/app/pdf-reader-pro-for-document/id1548604990)

This app provides a fast and secure way to view PDF documents on your mobile device. It allows you to open and read PDFs, access scanned documents, and share files in various formats like PDF and Word.

**Highlights:** View PDF documents, Access scanned PDFs, Share as PDF/Word, Reading mode, Upload documents

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Pro Monthly | $6.99 | per month |
| PDF Reader Pro Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 💰 Completely free with no hidden costs or subscriptions
- 🚀 Fast and reliable performance
- 📄 Handles large files and catalogs well
- ✨ No bloatware or unnecessary features

**What reviewers complain about**

- 🐛 Crashes and freezes frequently
- ❌ Cannot open or read PDF files in some cases
- 🚫 Cannot delete files easily
- 📱 No landscape mode support
- 🎨 Barebones UI with limited customization

**Reported bugs**

- App crashes and freezes during use
- Cannot open downloaded PDF files
- File deletion not working properly
- Does not save last opened page
- Poor performance on small phone screens

**Requested features**

- Add landscape mode orientation
- Implement font size adjustment options
- Add page number search functionality
- Save last opened page position
- Add PDF editing capabilities


### Scan to PDF Scanner

[App page](https://appshunter.io/ios/app/scan-to-pdf-scanner-scanlygo/id6756326673)

Easily scan documents, convert images to PDF, and protect your files with passwords. This tool allows for quick creation, management, and sharing of PDF documents for various everyday needs.

**Highlights:** Scan photos to PDF, Convert images to PDF, Protect PDFs with passwords, Unlock protected PDFs, Share PDFs easily, Create PDFs from receipts and notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Scanner and Converter | $1.99 | per 7 days |
| PDF Scanner and Converter | $19.99 | per year |
| PDF Scanner and Converter Life time | $34.99 | one-time |


## Frequently asked questions

### Is PDF Reader Pro for Document free?

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

### Is Scan to PDF Scanner free?

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

### Which has better reviews, PDF Reader Pro for Document or Scan to PDF Scanner?

PDF Reader Pro for Document is rated higher. PDF Reader Pro for Document averages 4.7 out of 5 from 386 ratings, while Scan to PDF Scanner averages 4.5 from 31 ratings.

### Do PDF Reader Pro for Document or Scan to PDF Scanner have ads?

PDF Reader Pro for Document shows ads; Scan to PDF Scanner does not.

### Which is updated more often, PDF Reader Pro for Document or Scan to PDF Scanner?

PDF Reader Pro for Document ships an update every 3 weeks, and Scan to PDF Scanner fortnightly. Most recently, PDF Reader Pro for Document was updated on October 25, 2026 and Scan to PDF Scanner on October 20, 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.*