한컴오피스 Viewer vs Twomon SE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
한컴오피스 Viewer
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.
- 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
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Overview HancomOffice Viewer is a program that allows you to read and manage documents in various formats. [System Requirements] - OS: iOS 16.0 or higher [Key Features] 1. Reading and managing Office documents: You can use the full-featured document viewer to read documents, change folders, and send emails. 2. Support for various document formats - Hangul documents: hwp, hwpx, hwt - Word documents: doc, docx, dot, dotx - Spreadsheets: cell, csv, xls, xlsx, xlsm - Presentations: show, ppt, pptx - Other documents: pdf 3. Support for converting Hwp, Word, and Presentation documents to PDF or image files - Hwp: hwp, hwt, hml, hwpx, hwtx, owpml -> pdf, png - Word: doc, docx, dot, dotx, hwdt, rtf -> pdf, png - Show: show, ppt, pptx, hsdt, htheme, thmx, potx -> pdf, png [Answers to Important Inquiries] When a $1 payment occurs during download: HancomOffice Viewer is a free program. Occasionally, a $1 payment is made to verify the validity of the credit card registered in the app store, but the actual amount will not be charged. [Important Notices] - Due to mobile font embedding, some symbols and characters other than Hangul and English may not be displayed correctly. - The font specified in the original document may be changed to a mobile font, which can affect the layout of the document. [Required Access Permissions] Device Information: This is used to provide device and iOS version information when contacting customer support for product inquiries. ■ If you encounter errors or have any inconveniences while using the app, please contact us at 'haancs@hancom.com' with details about the error environment and content, and we will investigate and respond.
Twomon SE
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.
- Turns tablet into USB monitor
- Portable dual monitor solution
- Expands computer workspace
- Easy USB connection
- Supports Windows and iOS
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Twomon SE is very simple. Your iPad becomes a USB monitor at the moment you connect. Do you want to take a lecture smarter in the lecture room? Meet your iPad as a dual monitor. With Twomon SE, you do not need to hide and load several programs on your monitor. Is there a monitor shortage while editing a video? Meet your iPad with a dual monitor. If you have the Twomon SE, you can use additional monitor in a small space. You can download the PC program from the website for free. Website: https://www.easynlight.com/en/twomonse Twomon SE supports PC and device below. - Windows 10 version 1703 or later / WDDM version 2.0 or later - iOS 11 or later Twomon SE always has a friendly tech support team. Please feel free to contact us through our website if you have any questions. :) Support : https://www.easynlight.com/en/supporttwomon
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 한컴오피스 Viewer | Twomon SE |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 1.7 (75 ratings) | 4.0 (57 ratings) — better |
| Positive reviews | 32.7% of reviews | 84.6% of reviews — better |
| Number of ratings | 75 — better | 57 |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 16.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 571 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | HANCOM Incorporated | DEVGURU Co., Ltd. |
Customer experience
한컴오피스 Viewer
Twomon SE
In-app purchases
한컴오피스 Viewer
No in-app purchases
Twomon SE
No in-app purchases
