# PDF Documents Scanner vs HWP Viewer

The clearest difference is iOS requirement: HWP Viewer at 15.0 against PDF Documents Scanner's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Documents Scanner sells 2 in-app purchases, starting at $8.99 per 7 days and HWP Viewer sells 2 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

PDF Documents Scanner ships an update every 3 weeks, HWP Viewer every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Documents Scanner | HWP Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 66 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | +4 | 4+ |
| Developer | [HRango](https://appshunter.io/developer/1747277318) | [SUPERNOVA MEDIA JOINT STOCK COMPANY](https://appshunter.io/developer/1834349939) |

## What reviewers say

### PDF Documents Scanner

[App page](https://appshunter.io/ios/app/pdf-documents-scanner/id6803100158)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $8.99 | per 7 days |
| Document Scanner Premium | $9.99 | per 7 days |


### HWP Viewer

[App page](https://appshunter.io/ios/app/hwp-viewer-hangul-editor/id6808507107)

Easily open, edit, and convert HWP documents on your mobile device. This utility app allows you to manage files, convert PDFs and DOCs to HWP, and print documents directly from your phone.

**Highlights:** Open and read HWP/HWPX files, Edit HWP documents, Convert PDF to HWP, Convert DOC to HWP, Print documents, Smart file management

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $19.99 | per year |
| Yearly | $19.99 | per year |


## Frequently asked questions

### Is PDF Documents Scanner free?

PDF Documents Scanner is free to download, with in-app purchases available.

### Is HWP Viewer free?

HWP Viewer is free to download, with in-app purchases available.

### Do PDF Documents Scanner or HWP Viewer have ads?

Both PDF Documents Scanner and HWP Viewer show ads.

### Which is updated more often, PDF Documents Scanner or HWP Viewer?

PDF Documents Scanner ships an update every 3 weeks, and HWP Viewer every 2 weeks. Most recently, PDF Documents Scanner was updated on October 24, 2026 and HWP Viewer on October 25, 2026.

---

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