# WatchPDF vs Cluster Files

The clearest difference is review sentiment: WatchPDF at 89% against Cluster Files's 28%. WatchPDF also leads on rating (5.0 vs 3.0) and update cadence (weekly vs every 3 weeks). Cluster Files's advantage is price ($0.99 vs $4.99) and ratings volume (3 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

WatchPDF costs $4.99 and Cluster Files $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WatchPDF holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 89% of WatchPDF's written reviews are positive against 28% of Cluster Files's.

WatchPDF ships an update weekly, Cluster Files every 3 weeks. The most recent releases landed on September 15, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | WatchPDF | Cluster Files |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchpdf/id6502047038/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/cluster-files/id6581473546/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **88.9% of reviews** | 27.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 16 MB | 80 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [kim juyoung](https://appshunter.io/developer/918406157) | [浩源 陈](https://appshunter.io/developer/1665506236) |

## What reviewers say

### WatchPDF

[App page](https://appshunter.io/ios/app/watchpdf/id6502047038)

View PDF files directly on your Apple Watch. This app allows you to access and navigate PDFs stored on your paired iPhone without needing to transfer them. Enjoy convenient PDF viewing anytime, anywhere.

**Highlights:** View PDFs on Apple Watch, Stream PDFs from iPhone, Zoom and navigate pages, Support for password-locked PDFs, Adjustable screen brightness, App Lock feature

**Features:** Apple Watch app

**In-app purchases:** none


### 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 WatchPDF free?

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

### Is Cluster Files free?

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

### Which has better reviews, WatchPDF or Cluster Files?

WatchPDF is rated higher. WatchPDF averages 5.0 out of 5 from 1 ratings, while Cluster Files averages 3.0 from 3 ratings.

### Do WatchPDF or Cluster Files have ads?

Neither WatchPDF nor Cluster Files shows ads.

### Which is updated more often, WatchPDF or Cluster Files?

WatchPDF ships an update weekly, and Cluster Files every 3 weeks. Most recently, WatchPDF was updated on September 15, 2026 and Cluster Files on September 27, 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.*