# Unshared PDF Reader vs PDF Merge

The clearest difference is review sentiment: PDF Merge at 66% against Unshared PDF Reader's 0%. PDF Merge also leads on rating (4.7 vs 1.0) and ratings volume (1.7K vs 1). Unshared PDF Reader's advantage is in-app purchases (none vs 6) and update cadence (every 3 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PDF Merge sells 6 in-app purchases, starting at $3.99 per 7 days. Unshared PDF Reader asks for nothing beyond the download.

PDF Merge holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: PDF Merge has 1.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Unshared PDF Reader's written reviews are positive against 66% of PDF Merge's.

Unshared PDF Reader ships an update every 3 days, PDF Merge every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unshared PDF Reader | PDF Merge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/unshared-pdf-reader/id1543661709/reviews) | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/pdf-merge-combine-and-join-pdf/id1585688820/reviews)** |
| Number of ratings | 1 | **1.7K** |
| Positive reviews | 0.0% of reviews | **65.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [迪 吴](https://appshunter.io/developer/895299436) | [Haris Tayyab](https://appshunter.io/developer/1575121503) |

## What reviewers say

### Unshared PDF Reader

[App page](https://appshunter.io/ios/app/unshared-pdf-reader/id1543661709)

This free document reader allows you to easily open and view authorized PDF and .updf files. It is specifically designed for documents created by the PDF Unshare program.

**Highlights:** View PDF files, View .updf files, Supports authorized documents, Free to use, Designed for PDF Unshare program

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Merge

[App page](https://appshunter.io/ios/app/pdf-merge-combine-and-join-pdf/id1585688820)

This app is a comprehensive PDF toolkit for iPhone and iPad. It allows users to merge multiple PDF files into one, convert documents to and from PDF, secure files with passwords, and organize pages. It's designed for students, professionals, and business users needing efficient PDF management.

**Highlights:** Merge multiple PDFs, Convert documents to/from PDF, Secure PDFs with passwords, Organize and delete pages, Convert PDF to images, Edit PDFs

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Combine PDF Pro - Weekly Plan | $3.99 | per 7 days |
| PDF Merger - Weekly Plan | $3.99 | per 7 days |
| PDF Converter: Monthly Plan | $7.99 | per month |
| Merge PDF - Monthly Plan | $7.99 | per month |
| PDF Merger - Yearly Plan | $19.99 | per year |
| Convert PDF - Life Time Premium | $34.99 | one-time |

**What reviewers like**

- 👍 Free option available
- 🚀 Efficient PDF merging
- 💡 Integrated with photo library and files

**What reviewers complain about**

- 🐛 Ads disruptive and frequent
- 💰 Paid subscription required for full functionality
- 🐛 Order of merged PDFs not maintained

**Reported bugs**

- Conversion to PDF not working as expected
- App freezing and crashing issues

**Requested features**

- Dark mode option
- Improved order maintenance for merged PDFs


## Frequently asked questions

### Is Unshared PDF Reader free?

Unshared PDF Reader is free to download, with no in-app purchases.

### Is PDF Merge free?

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

### Which has better reviews, Unshared PDF Reader or PDF Merge?

PDF Merge is rated higher. Unshared PDF Reader averages 1.0 out of 5 from 1 ratings, while PDF Merge averages 4.7 from 1.7K ratings.

### Do Unshared PDF Reader or PDF Merge have ads?

Neither Unshared PDF Reader nor PDF Merge shows ads.

### Which is updated more often, Unshared PDF Reader or PDF Merge?

Unshared PDF Reader ships an update every 3 days, and PDF Merge every 2 months. Most recently, Unshared PDF Reader was updated on October 24, 2026 and PDF Merge on October 25, 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.*