# Right PDF Reader vs 東亞保全 遠端保全系統

The clearest difference is update cadence: 東亞保全 遠端保全系統 at every 4 months against Right PDF Reader's every 11 months. Right PDF Reader's advantage is iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Right PDF Reader ships an update every 11 months, 東亞保全 遠端保全系統 every 4 months. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Right PDF Reader | 東亞保全 遠端保全系統 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/right-pdf-reader/id690338821/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 79 MB | 56 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZEON Corp](https://appshunter.io/developer/528554283) | [威迅科技股份有限公司](https://appshunter.io/developer/1337571808) |

## What reviewers say

### Right PDF Reader

[App page](https://appshunter.io/ios/app/right-pdf-reader/id690338821)

This application provides robust PDF viewing, annotation, and management tools. It allows users to organize, share, and sign documents with a user-friendly interface and advanced features.

**Highlights:** Fast PDF viewing, Annotation tools (highlight, draw, text), Document organization with folders, Cloud storage integration (Dropbox, WebDAV), Handwritten signature creation, Form filling, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


### 東亞保全 遠端保全系統

[App page](https://appshunter.io/ios/app/id1441624076)

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

**In-app purchases:** none


## Frequently asked questions

### Is Right PDF Reader free?

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

### Is 東亞保全 遠端保全系統 free?

東亞保全 遠端保全系統 is free to download, with no in-app purchases.

### Do Right PDF Reader or 東亞保全 遠端保全系統 have ads?

Neither Right PDF Reader nor 東亞保全 遠端保全系統 shows ads.

### Which is updated more often, Right PDF Reader or 東亞保全 遠端保全系統?

Right PDF Reader ships an update every 11 months, and 東亞保全 遠端保全系統 every 4 months. Most recently, Right PDF Reader was updated on October 13, 2026 and 東亞保全 遠端保全系統 on October 20, 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.*