# PDF Editor ,PDF Book Reader ® vs Cluster Files

The clearest difference is review sentiment: PDF Editor ,PDF Book Reader ® at 83% against Cluster Files's 28%. PDF Editor ,PDF Book Reader ® also leads on price (Free vs $0.99) and rating (4.3 vs 3.0). Cluster Files's advantage is in-app purchases (none vs 6). On ads and iOS requirement there is nothing between them.

PDF Editor ,PDF Book Reader ® is free to download; Cluster Files costs $0.99 up front. PDF Editor ,PDF Book Reader ® sells 6 in-app purchases, starting at $9.99 per month. Cluster Files asks for nothing beyond the download.

PDF Editor ,PDF Book Reader ® holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: PDF Editor ,PDF Book Reader ® has 22K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 83% of PDF Editor ,PDF Book Reader ®'s written reviews are positive against 28% of Cluster Files's.

PDF Editor ,PDF Book Reader ® ships an update every 4 days, Cluster Files every 3 weeks. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PDF Editor ,PDF Book Reader ® | Cluster Files |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (22K ratings)](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/cluster-files/id6581473546/reviews) |
| Number of ratings | **22K** | 3 |
| Positive reviews | **82.8% of reviews** | 27.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 62 MB | 80 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Milad Fakhr](https://appshunter.io/developer/380865844) | [浩源 陈](https://appshunter.io/developer/1665506236) |

## What reviewers say

### PDF Editor ,PDF Book Reader ®

[App page](https://appshunter.io/ios/app/pdf-editor-pdf-book-reader/id1354910662)

This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.

**Highlights:** Read and edit PDFs, Annotate and markup documents, Fill forms and add digital signatures, Convert images and web pages to PDF, Scan documents with OCR, Organize and manage PDF library, Share via AirDrop and iCloud

**Features:** Family Sharing, Siri integration, Apple Watch app, iMessage stickers, SharePlay

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Quarterly Subscription | $17.99 | per 3 months |
| Yearly Subscription | $39.99 | per year |
| Scanner (OCR) | $3.99 | one-time |
| PDF Editor Creator  & Scanner | $49.99 | one-time |
| Lifetime Access | $100.99 | one-time |

**What reviewers like**

- 🚀 Easy to use and navigate
- 👍 Helpful for signing documents
- 🚀 Efficient PDF editing and management
- 🚀 Reliable performance and compatibility
- 👍 Useful for reading and annotating PDFs

**What reviewers complain about**

- 🐛 Issues with saving edits and text input
- 🐛 Occasional crashes or freezes
- 🔒 Concerns about privacy and data collection

**Reported bugs**

- Text not saving properly after editing
- Difficulty accessing documents at the bottom of PDFs

**Requested features**

- Add folder organization for PDFs
- Improve text editing and input responsiveness
- Provide more customization options for PDF viewing
- Integrate with cloud storage services


### Cluster Files

[App page](https://appshunter.io/ios/app/cluster-files/id6581473546)

Manage files directly from your Apple Watch. Supports common file operations and various file types, including transferring files from your iPhone and connecting to SMB servers.

**Highlights:** Copy, move, and delete files, Supports audio, video, images, ebooks, and more, Transfer files from iPhone to Apple Watch, Connect to SMB servers, View files on your wrist

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PDF Editor ,PDF Book Reader ® free?

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

### Is Cluster Files free?

Cluster Files costs $0.99, with no in-app purchases.

### Which has better reviews, PDF Editor ,PDF Book Reader ® or Cluster Files?

PDF Editor ,PDF Book Reader ® is rated higher. PDF Editor ,PDF Book Reader ® averages 4.3 out of 5 from 22K ratings, while Cluster Files averages 3.0 from 3 ratings.

### Do PDF Editor ,PDF Book Reader ® or Cluster Files have ads?

Neither PDF Editor ,PDF Book Reader ® nor Cluster Files shows ads.

### Which is updated more often, PDF Editor ,PDF Book Reader ® or Cluster Files?

PDF Editor ,PDF Book Reader ® ships an update every 4 days, and Cluster Files every 3 weeks. Most recently, PDF Editor ,PDF Book Reader ® was updated on October 17, 2026 and Cluster Files 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.*