# PDF Reader Pro for Document vs PDF Book Reader

The clearest difference is rating: PDF Reader Pro for Document at 4.7 against PDF Book Reader's 3.9. PDF Reader Pro for Document also leads on review sentiment (86% vs 61%) and ratings volume (367 vs 31). PDF Book Reader's advantage is update cadence (every 5 days vs every 3 weeks) and iOS requirement (13.0 vs 15.6). On price, ads, 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 PDF Book Reader sells 2 in-app purchases, starting at $3.99 per month. 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 3.9. That said, the two scores are not equally well evidenced: PDF Reader Pro for Document has 367 ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 86% of PDF Reader Pro for Document's written reviews are positive against 61% of PDF Book Reader's.

PDF Reader Pro for Document ships an update every 3 weeks, PDF Book Reader every 5 days. The most recent releases landed on September 27, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro for Document | PDF Book Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (367 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-for-document/id1548604990/reviews)** | [3.9 (31 ratings)](https://appshunter.io/ios/app/pdf-book-reader/id1576631236/reviews) |
| Number of ratings | **367** | 31 |
| Positive reviews | **86.3% of reviews** | 61.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 73 MB | 46 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fan Technology Limited](https://appshunter.io/developer/1503499100) | [B TO J PTY LTD](https://appshunter.io/developer/569308231) |

## 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


### PDF Book Reader

[App page](https://appshunter.io/ios/app/pdf-book-reader/id1576631236)

Easily read, manage, and annotate PDF books and documents. This app offers a smooth reading experience, powerful annotation tools, and seamless cloud integration. Organize, search, and share your PDFs with ease.

**Highlights:** Natural PDF reading and navigation, PDF bookmarking and annotation, Text search and OCR extraction, PDF merging and page rearrangement, Cloud storage integration (Google Drive, Dropbox, iCloud), File import and export via cloud and Files app, PDF sharing and printing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $3.99 | per month |
| 1 Year Subscription | $28.99 | per year |


## 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 PDF Book Reader free?

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

### Which has better reviews, PDF Reader Pro for Document or PDF Book Reader?

PDF Reader Pro for Document is rated higher. PDF Reader Pro for Document averages 4.7 out of 5 from 367 ratings, while PDF Book Reader averages 3.9 from 31 ratings.

### Do PDF Reader Pro for Document or PDF Book Reader have ads?

Both PDF Reader Pro for Document and PDF Book Reader show ads.

### Which is updated more often, PDF Reader Pro for Document or PDF Book Reader?

PDF Reader Pro for Document ships an update every 3 weeks, and PDF Book Reader every 5 days. Most recently, PDF Reader Pro for Document was updated on September 27, 2026 and PDF Book Reader on September 13, 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.*