# PDF Reader Pro for Document vs SmartPDF

The clearest difference is ads: SmartPDF at none against PDF Reader Pro for Document's shown. SmartPDF also leads on update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement 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 SmartPDF sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Reader Pro for Document ships an update every 3 weeks, SmartPDF every 5 days. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PDF Reader Pro for Document | SmartPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (367 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-for-document/id1548604990/reviews)** | — |
| Number of ratings | **367** | — |
| Positive reviews | 86.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 73 MB | 3 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fan Technology Limited](https://appshunter.io/developer/1503499100) | [Sergino Elisha A.](https://appshunter.io/developer/916133842) |

## 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


### SmartPDF

[App page](https://appshunter.io/ios/app/smartpdf-pdf-toolkit-pro/id6760773859)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartPDF Premium | $4.99 | 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 SmartPDF free?

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

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

PDF Reader Pro for Document shows ads; SmartPDF does not.

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

PDF Reader Pro for Document ships an update every 3 weeks, and SmartPDF every 5 days. Most recently, PDF Reader Pro for Document was updated on September 27, 2026 and SmartPDF on September 21, 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.*