# PDF Cabinet vs 威迅科技 遠端保全系統

The clearest difference is iOS requirement: PDF Cabinet at 13.0 against 威迅科技 遠端保全系統's 16.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF Cabinet ships an update every 5 weeks, 威迅科技 遠端保全系統 monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | PDF Cabinet | 威迅科技 遠端保全系統 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (57 ratings)](https://appshunter.io/ios/app/pdf-cabinet/id764366087/reviews)** | — |
| Number of ratings | **57** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 75 MB | 50 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bright Nine SIA](https://appshunter.io/developer/1891636727) | [威迅科技股份有限公司](https://appshunter.io/developer/1337571808) |

## What reviewers say

### PDF Cabinet

[App page](https://appshunter.io/ios/app/pdf-cabinet/id764366087)

This application offers a streamlined PDF experience for reading and annotating documents. It focuses on essential features with an intuitive interface, making it easy to mark up PDFs, share annotations, and collaborate in real-time with others. Optimized for performance, it handles large documents efficiently.

**Highlights:** Effortless PDF annotation, Intuitive user interface, Fast document review with thumbnails, Annotations sharing, Real-time collaboration, Quick note taking

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth performance
- 👍 Intuitive and user-friendly interface
- 💡 Excellent annotation tools
- 🚀 Fast and responsive
- 👍 Simple and clean design

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 💡 Limited highlighter and pen customization
- 💡 Lack of iCloud/cloud sync support
- 🐛 Text disappearing issue
- 🐛 Slow document loading and navigation

**Reported bugs**

- Randomly deleting files
- Sync issues causing loss of annotations
- Crashing when opening large documents
- Navigation problems when zoomed in
- Annotations not exporting properly

**Requested features**

- Add more highlighter and pen color options
- Implement palm rejection for Apple Pencil
- Add ability to resize and move annotation tools
- Improve cloud/sync functionality (iCloud, Dropbox, etc.)
- Implement vertical scrolling for continuous reading


### 威迅科技 遠端保全系統

[App page](https://appshunter.io/ios/app/id1409559536)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Cabinet free?

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

### Is 威迅科技 遠端保全系統 free?

威迅科技 遠端保全系統 is free to download, with no in-app purchases.

### Do PDF Cabinet or 威迅科技 遠端保全系統 have ads?

Neither PDF Cabinet nor 威迅科技 遠端保全系統 shows ads.

### Which is updated more often, PDF Cabinet or 威迅科技 遠端保全系統?

PDF Cabinet ships an update every 5 weeks, and 威迅科技 遠端保全系統 monthly. Most recently, PDF Cabinet was updated on November 1, 2026 and 威迅科技 遠端保全系統 on November 2, 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.*