Comparison

한컴오피스 Viewer vs vFlat Scan

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

vFlat Scan

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
Read full description

Scan thick books perfectly flat—without cutting a single page. Most scanner apps can't handle open or curved books. vFlat can. AI curve correction transforms any thick textbook, sheet music, or open book into a crystal-clear, professional-grade scan—spine fully intact. · BOOK SCANNER AI automatically flattens curved pages from thick textbooks, manuals, and sheet music. No cutting required. · DOCUMENT SCANNER Scan receipts, ID cards, contracts, invoices, and forms with auto edge-detection and perspective correction. · OCR – IMAGE TO TEXT Convert scanned images into editable, searchable text instantly. Copy and paste from any document. · PDF CREATOR Combine multiple scans into a single PDF. Export as PDF, JPG, or TXT. · AUTO-CAPTURE Hold still or turn the page—vFlat auto-detects and captures. Scan 100+ pages in minutes. · FINGER REMOVAL Hold the book open—vFlat removes your fingers from every scan automatically. · 2-PAGE SPREAD Capture both open pages at once. vFlat splits and saves each page separately. · EASY SHARING Export to iCloud, Google Drive, Dropbox, email, or any app. Trusted by students, musicians, researchers, and professionals in 100+ countries. Download free and transform your iPhone into a professional scanner today. Terms of Use: https://vflat.page.link/terms_en

Screenshots

한컴오피스 Viewer4 screens
vFlat Scan4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
한컴오피스 Viewer versus vFlat Scan: the parameters behind the verdict, then further details
Parameter한컴오피스 ViewervFlat Scan
PriceFreeFree
Rating1.8 (73 ratings)4.8 (6.1K ratings) — better
Positive reviews32.7% of reviews79.0% of reviews — better
Number of ratings736.1K — better
Update frequencyEvery 3 monthsEvery 8 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.2
Further details — not scored
Size571 MB228 MB
Age rating4+4+
DeveloperHANCOM IncorporatedVoyagerX, Inc.

Customer experience

한컴오피스 Viewer

All ratings73 ratings
Positive19.2%
Neutral1.4%
Negative79.5%
Written reviews107 reviews
Positive32.7%
Neutral17.8%
Negative49.5%

vFlat Scan

All ratings6,107 ratings
Positive96.1%
Neutral1.4%
Negative2.4%
Written reviews651 reviews
Positive79.0%
Neutral5.2%
Negative15.8%

Bugs and requests

한컴오피스 Viewer

Not enough reviews yet to summarise bugs or requests.

vFlat Scan

Reported bugs

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

Requested features

6 requests
  • 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
Show 1 more
  • Add keyboard shortcuts support

In-app purchases

None

한컴오피스 Viewer

No in-app purchases

12 purchases

vFlat Scan

Subscriptions8
  • Monthly subscription$3.991 Month
  • Monthly subscription$4.691 Month
  • Monthly subscription$4.991 Month
Show 5 more
  • Weekly subscription$4.997 Days
  • Yearly subscription$35.901 Year
  • Yearly subscription7 Days trial$39.991 Year
  • EduPlus Yearly Subscription$39.991 Year
  • Yearly subscription$39.991 Year
One-time4
  • 200 Text recognition pages2 variants$2.49
  • 1,000 Text recognition pages2 variants$5.90
  • 3,000 Text recognition pages2 variants$10.00
Show 1 more
  • 10,000 Text recognition pages2 variants$20.00

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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