# 한컴오피스 Viewer vs Twomon SE

The clearest difference is review sentiment: Twomon SE at 85% against 한컴오피스 Viewer's 33%. Twomon SE also leads on rating (4.0 vs 1.7) and ads (none vs shown). 한컴오피스 Viewer's advantage is price (Free vs $9.99). On ratings volume, update cadence, in-app purchases and device support there is nothing between them.

한컴오피스 Viewer is free to download; Twomon SE costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Twomon SE holds the better App Store score, 4.0 against 1.7. Both are backed by a comparable volume of ratings — 75 and 57 respectively. Written reviews point the same way: 33% of 한컴오피스 Viewer's written reviews are positive against 85% of Twomon SE's.

한컴오피스 Viewer ships an update every 3 months, Twomon SE every 6 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 한컴오피스 Viewer | Twomon SE |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [1.7 (75 ratings)](https://appshunter.io/ios/app/viewer/id369832061/reviews) | **[4.0 (57 ratings)](https://appshunter.io/ios/app/twomon-se/id1420380805/reviews)** |
| Number of ratings | **75** | 57 |
| Positive reviews | 32.7% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 571 MB | 50 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANCOM Incorporated](https://appshunter.io/developer/363694367) | [DEVGURU Co., Ltd.](https://appshunter.io/developer/543483097) |

## What reviewers say

### 한컴오피스 Viewer

[App page](https://appshunter.io/ios/app/viewer/id369832061)

View and manage documents from various office suites, including Hangul, Word, Excel, and PowerPoint. Convert documents to PDF or image files, and share them via email. Supports a wide range of file formats.

**Highlights:** Read and manage office documents, Support for HWP, DOC, XLS, PPT, PDF, Convert documents to PDF, Convert documents to image files, Send documents via email, Folder management

**In-app purchases:** none


### Twomon SE

[App page](https://appshunter.io/ios/app/twomon-se/id1420380805)

Transform your tablet into a portable USB monitor for your computer. Expand your workspace for lectures, video editing, or any task requiring more screen real estate. Simply connect your device and instantly gain an additional display.

**Highlights:** Turns tablet into USB monitor, Portable dual monitor solution, Expands computer workspace, Easy USB connection, Supports Windows and iOS

**In-app purchases:** none


## Frequently asked questions

### Is 한컴오피스 Viewer free?

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

### Is Twomon SE free?

Twomon SE costs $9.99, with no in-app purchases.

### Which has better reviews, 한컴오피스 Viewer or Twomon SE?

Twomon SE is rated higher. 한컴오피스 Viewer averages 1.7 out of 5 from 75 ratings, while Twomon SE averages 4.0 from 57 ratings.

### Do 한컴오피스 Viewer or Twomon SE have ads?

한컴오피스 Viewer shows ads; Twomon SE does not.

### Which is updated more often, 한컴오피스 Viewer or Twomon SE?

한컴오피스 Viewer ships an update every 3 months, and Twomon SE every 6 months. Most recently, 한컴오피스 Viewer was updated on October 23, 2026 and Twomon SE on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*