# 한컴오피스 Viewer vs Korean Checker

The clearest difference is rating: Korean Checker at 4.7 against 한컴오피스 Viewer's 1.7. Korean Checker also leads on review sentiment (53% vs 33%). 한컴오피스 Viewer's advantage is in-app purchases (none vs 4). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Korean Checker sells 2 in-app purchases, starting at $3.99 per month. 한컴오피스 Viewer asks for nothing beyond the download.

Korean Checker holds the better App Store score, 4.7 against 1.7. Both are backed by a comparable volume of ratings — 75 and 54 respectively. Written reviews point the same way: 33% of 한컴오피스 Viewer's written reviews are positive against 53% of Korean Checker's.

한컴오피스 Viewer ships an update every 3 months, Korean Checker every 5 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | 한컴오피스 Viewer | Korean Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (75 ratings)](https://appshunter.io/ios/app/viewer/id369832061/reviews) | **[4.7 (54 ratings)](https://appshunter.io/ios/app/korean-checker/id1476172458/reviews)** |
| Number of ratings | **75** | 54 |
| Positive reviews | 32.7% of reviews | **52.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 571 MB | 35 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [HANCOM Incorporated](https://appshunter.io/developer/363694367) | [Hyunwoo Kim](https://appshunter.io/developer/1709269004) |

## 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


### Korean Checker

[App page](https://appshunter.io/ios/app/korean-checker/id1476172458)

Correct spelling and spacing errors in Korean sentences. This app offers AI-powered sentence transformation, a history of corrections, and easy sharing of the results. It helps users identify and learn from common mistakes.

**Highlights:** Correct spelling and spacing, AI sentence transformation, Copy corrected sentences, Share easily, Correction history, Check frequently misspelled words

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Annual subscription | $19.99 | per year |


## Frequently asked questions

### Is 한컴오피스 Viewer free?

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

### Is Korean Checker free?

Korean Checker is free to download, with in-app purchases available.

### Which has better reviews, 한컴오피스 Viewer or Korean Checker?

Korean Checker is rated higher. 한컴오피스 Viewer averages 1.7 out of 5 from 75 ratings, while Korean Checker averages 4.7 from 54 ratings.

### Do 한컴오피스 Viewer or Korean Checker have ads?

Both 한컴오피스 Viewer and Korean Checker show ads.

### Which is updated more often, 한컴오피스 Viewer or Korean Checker?

한컴오피스 Viewer ships an update every 3 months, and Korean Checker every 5 months. Most recently, 한컴오피스 Viewer was updated on October 24, 2026 and Korean Checker on October 24, 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.*