# PDF Reader vs Cygnum Siteworks

The clearest difference is in-app purchases: Cygnum Siteworks at none against PDF Reader's 3. Cygnum Siteworks also leads on ads (none vs shown) and update cadence (fortnightly vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PDF Reader sells 3 in-app purchases, starting at $2.49 per 7 days. Cygnum Siteworks asks for nothing beyond the download.

PDF Reader ships an update every 4 months, Cygnum Siteworks fortnightly. The most recent releases landed on October 12, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PDF Reader | Cygnum Siteworks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (53 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-viewer-edit/id6448322721/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 58 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mohit Rudani](https://appshunter.io/developer/1673702969) | [WrxFlo Ltd.](https://appshunter.io/developer/1617434646) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer-edit/id6448322721)

This application allows users to read, edit, and manage PDF files on their mobile devices. It offers offline viewing for PDFs, Word, Excel, and PowerPoint documents, along with features like bookmarking and file renaming. Enhance your productivity with this essential document management tool.

**Highlights:** View local PDF files, Load files from Files app, Save and rename PDF files, Share PDFs easily, Bookmark PDF pages, Offline document viewing, Dark Mode for reading

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly   1 Week | $2.49 | per 7 days |
| Monthly   1 Month | $5.99 | per month |
| Yearly   1 Year | $24.99 | per year |


### Cygnum Siteworks

[App page](https://appshunter.io/ios/app/cygnum-siteworks/id6753858084)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Cygnum Siteworks free?

Cygnum Siteworks is free to download, with no in-app purchases.

### Do PDF Reader or Cygnum Siteworks have ads?

PDF Reader shows ads; Cygnum Siteworks does not.

### Which is updated more often, PDF Reader or Cygnum Siteworks?

PDF Reader ships an update every 4 months, and Cygnum Siteworks fortnightly. Most recently, PDF Reader was updated on October 12, 2026 and Cygnum Siteworks on September 10, 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.*