# 한컴오피스 Viewer vs vFlat Scan

The clearest difference is review sentiment: vFlat Scan at 79% against 한컴오피스 Viewer's 33%. vFlat Scan also leads on rating (4.8 vs 1.8) and update cadence (every 8 days vs every 3 months). 한컴오피스 Viewer's advantage is in-app purchases (none vs 16). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. vFlat Scan sells 12 in-app purchases, starting at $3.99 per month. 한컴오피스 Viewer asks for nothing beyond the download.

vFlat Scan holds the better App Store score, 4.8 against 1.8. That said, the two scores are not equally well evidenced: vFlat Scan has 6.1K ratings behind it against 73, so its average is the more settled of the two. Written reviews point the same way: 33% of 한컴오피스 Viewer's written reviews are positive against 79% of vFlat Scan's.

한컴오피스 Viewer ships an update every 3 months, vFlat Scan every 8 days. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 한컴오피스 Viewer | vFlat Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (73 ratings)](https://appshunter.io/ios/app/viewer/id369832061/reviews) | **[4.8 (6.1K ratings)](https://appshunter.io/ios/app/vflat-scan-pdf-and-ocr-scanner/id1540238220/reviews)** |
| Number of ratings | 73 | **6.1K** |
| Positive reviews | 32.7% of reviews | **79.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 571 MB | 228 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANCOM Incorporated](https://appshunter.io/developer/363694367) | [VoyagerX, Inc.](https://appshunter.io/developer/1477811798) |

## 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


### vFlat Scan

[App page](https://appshunter.io/ios/app/vflat-scan-pdf-and-ocr-scanner/id1540238220)

This app digitizes books and documents with advanced features like automatic border recognition, curved page flattening, and two-page capture. It offers free text recognition (OCR) and exports to multiple formats, making scanning quick and high-quality.

**Highlights:** Auto-recognizing scan area, Automatic capturing, Flattening curved book pages, Two-page capturing, Free text recognition (OCR), Export to PDF, JPG, TXT

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| Monthly subscription | $4.69 | per month |
| Monthly subscription | $4.99 | per month |
| Weekly subscription | $4.99 | per 7 days |
| Yearly subscription | $35.90 | per year |
| Yearly subscription | $39.99 | per year |
| EduPlus Yearly Subscription | $39.99 | per year |
| Yearly subscription | $39.99 | per year |
| 200 Text recognition pages | $2.49 | one-time |
| 1,000 Text recognition pages | $5.90 | one-time |
| 3,000 Text recognition pages | $10.00 | one-time |
| 10,000 Text recognition pages | $20.00 | one-time |

**What reviewers like**

- 🚀 Fast and efficient scanning
- 👍 Convenient for scanning books
- 🔒 Accurate edge detection and flattening
- 👍 High-quality scans
- 👍 Easy to use interface

**What reviewers complain about**

- 🔒 Premium features locked behind paywall
- 🐛 Crashes and bugs
- 🔒 Restrictive subscription model
- 🔒 Limited free features
- 🔒 No option to pay one-time for premium

**Reported bugs**

- Crashes during scanning
- Issues with dual page mode
- Incorrect page cropping and resolution in PDFs
- White borders added to scanned pages

**Requested features**

- Add cloud storage integration
- Allow manual cropping and contrast adjustment
- Provide more customization options for text view
- Enable editing of OCR text
- Increase free page limits for OCR


## Frequently asked questions

### Is 한컴오피스 Viewer free?

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

### Is vFlat Scan free?

vFlat Scan is free to download, with in-app purchases available.

### Which has better reviews, 한컴오피스 Viewer or vFlat Scan?

vFlat Scan is rated higher. 한컴오피스 Viewer averages 1.8 out of 5 from 73 ratings, while vFlat Scan averages 4.8 from 6.1K ratings.

### Do 한컴오피스 Viewer or vFlat Scan have ads?

Both 한컴오피스 Viewer and vFlat Scan show ads.

### Which is updated more often, 한컴오피스 Viewer or vFlat Scan?

한컴오피스 Viewer ships an update every 3 months, and vFlat Scan every 8 days. Most recently, 한컴오피스 Viewer was updated on September 21, 2026 and vFlat Scan on September 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.*