# 에스원 PS 메신저 vs HTML Viewer+

The clearest difference is review sentiment: HTML Viewer+ at 100% against 에스원 PS 메신저's 25%. 에스원 PS 메신저's advantage is iOS requirement (12.0 vs 15.6). 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.

에스원 PS 메신저 ships an update every 3 months, HTML Viewer+ every 2 months. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 에스원 PS 메신저 | HTML Viewer+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 21 MB | 26 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiransoft](https://appshunter.io/developer/326119493) | [minyeong kim](https://appshunter.io/developer/1834144530) |

## What reviewers say

### 에스원 PS 메신저

[App page](https://appshunter.io/ios/app/ps/id994028235)

This app facilitates secure and convenient internal communication and document sharing for businesses. It offers two message types, read receipts, message recall, and a secure file-sharing environment linked to its parent service.

**Highlights:** Two message types (mail & chat), Read receipts and message recall, Secure internal file sharing, Convenient communication for work, Safe document transfer and utilization

**Features:** macOS Compatibility

**In-app purchases:** none


### HTML Viewer+

[App page](https://appshunter.io/ios/app/html-viewer-plus/id6754694568)

View HTML files directly on your iPhone without needing a PC. Securely open password-protected documents and convert them to PDF. Supports dark and light modes with in-page search.

**Highlights:** Open HTML files directly from File App, Mail, Outlook, Support for secure, password-protected HTML files, Display text, images, and styles as original, Convert and share HTML to PDF, In-page search with word highlighting, Dark and light mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is 에스원 PS 메신저 free?

에스원 PS 메신저 is free to download, with no in-app purchases.

### Is HTML Viewer+ free?

HTML Viewer+ is free to download, with no in-app purchases.

### Do 에스원 PS 메신저 or HTML Viewer+ have ads?

Neither 에스원 PS 메신저 nor HTML Viewer+ shows ads.

### Which is updated more often, 에스원 PS 메신저 or HTML Viewer+?

에스원 PS 메신저 ships an update every 3 months, and HTML Viewer+ every 2 months. Most recently, 에스원 PS 메신저 was updated on September 13, 2026 and HTML Viewer+ on September 23, 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.*