# Sites vs PDF Reader Pro

The clearest difference is price: PDF Reader Pro at Free against Sites's $4.99. PDF Reader Pro also leads on update cadence (every 2 months vs every 40 months) and ratings volume (437 vs 1). Sites's advantage is rating (5.0 vs 4.4) and review sentiment (100% vs 64%). On device support and iOS requirement there is nothing between them.

PDF Reader Pro is free to download; Sites costs $4.99 up front. PDF Reader Pro sells 6 in-app purchases, starting at $39.99 per year. Sites asks for nothing beyond the download.

Sites holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: PDF Reader Pro has 437 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Sites's written reviews are positive against 64% of PDF Reader Pro's.

Sites ships an update every 40 months, PDF Reader Pro every 2 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Sites | PDF Reader Pro |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sites-2-go/id414132732/reviews)** | [4.4 (437 ratings)](https://appshunter.io/ios/app/pdf-reader-pro-lite-edition/id919472509/reviews) |
| Number of ratings | 1 | **437** |
| Positive reviews | **100.0% of reviews** | 63.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 8 MB | 194 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MaximumSoft Corp.](https://appshunter.io/developer/305594533) | [PDF Technologies, Inc.](https://appshunter.io/developer/1263126485) |

## What reviewers say

### Sites

[App page](https://appshunter.io/ios/app/sites-2-go/id414132732)

Access websites, presentations, and catalogs offline on your iPhone. Upload content from your desktop and view it anytime, anywhere, even without an internet connection. Ideal for sales, design, and educational purposes.

**Highlights:** Offline website access, Store online catalogs, View presentations offline, Upload from desktop, Supports zip archives, External monitor output

**Features:** Vision Pro support

**In-app purchases:** none


### PDF Reader Pro

[App page](https://appshunter.io/ios/app/pdf-reader-pro-lite-edition/id919472509)

This app offers comprehensive tools for managing PDF documents on mobile devices. It allows users to read, edit text and images, annotate, fill forms, convert to various formats, compress files, and perform OCR. Organize, protect, and share your PDFs with ease.

**Highlights:** Read PDFs with multiple viewing options, Edit PDF text and images, Annotate with highlights, notes, and drawings, Fill out PDF forms, Convert PDFs to Word, Excel, and other formats, Perform OCR on PDFs, Compress PDF file sizes

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 2-Device · Advanced Annual | $39.99 | per year |
| Add Devices · Advanced Annual | $49.99 | per year |
| PDF Pro · Advanced Annual | $79.99 | per year |
| PDF Pro · AI Annual | $79.99 | per year |
| Permanent License | $24.99 | one-time |
| PDF Pro · Advanced Permanent | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Useful features like highlighting and annotating
- 👍 Great for reading and studying PDFs

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🔒 Security issues with locked files
- 💰 Expensive upgrade to unlock full functionality
- 🤖 Poor customer support and unresponsive developers

**Reported bugs**

- Annotations not saving or displaying correctly
- App crashing when trying to convert or edit PDFs
- Syncing issues between devices
- Unexpected password locks on files

**Requested features**

- Undo/redo functionality for annotations
- More font and theme options
- Improved compatibility with cloud storage services
- Better support for older devices


## Frequently asked questions

### Is Sites free?

Sites costs $4.99, with no in-app purchases.

### Is PDF Reader Pro free?

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

### Which has better reviews, Sites or PDF Reader Pro?

Sites is rated higher. Sites averages 5.0 out of 5 from 1 ratings, while PDF Reader Pro averages 4.4 from 437 ratings.

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

PDF Reader Pro shows ads; Sites does not.

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

Sites ships an update every 40 months, and PDF Reader Pro every 2 months. Most recently, Sites was updated on October 8, 2026 and PDF Reader Pro on October 16, 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.*