# OpenViewer — PDF, HWP, Word document viewer

> PDF, HWP, Word document viewer (iPhone/iPad app by BongJun Park.)

- Source: https://appshunter.io/ios/app/openviewer/id6763845346 (this page in markdown: same URL + `.md`)
- Developer: [BongJun Park](https://appshunter.io/developer/1887269135)
- Category: Productivity, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 41 MB
- Languages: English
- Released: 2026-04-29
- Data updated: 2026-08-12
- User reviews in markdown: https://appshunter.io/ios/app/openviewer/id6763845346/reviews.md

## What is OpenViewer?

OpenViewer is a lightweight viewer for all standard document formats.

[Supported formats]
PDF · HWP · DOCX · XLSX · PPTX · EPUB · TXT · Images

[Key features]
• Fast launch
• Dark mode
• Recent files + favorites
• 100% on-device processing
• Native HWP support for Korean documents

[Why OpenViewer?]
- No in-app purchases
- No account required
- Ad-supported (no ads inside viewer)
- English, Korean, Japanese UI

Contact: wowpia0127@gmail.com


## Version history (last 3 releases)

### 1.0.20 — 2026-08-10

What's new
• HWP text preview — read Korean HWP documents directly in the app
• XLSX & DOCX viewers work fully offline (no internet required)
• Latest iOS SDK and stability improvements

Still 100% free · no account · everything stays on your device.

### 1.0.19 — 2026-06-08

Rebranded from OpenDocs to OpenViewer. Improved stability for Korean HWP/HWPX files. UI refinements.

### 1.0 — 2026-04-29

No release notes.

## More apps by BongJun Park

- [Moodva](https://appshunter.io/ios/app/moodva/id6761009900)
- [Nailva - Nail Salon Manager](https://appshunter.io/ios/app/nailva-nail-salon-manager/id6761184422)
- [Barolingo](https://appshunter.io/ios/app/barolingo/id6762762921)
- [Nailoop](https://appshunter.io/ios/app/nailoop/id6763687316)
- [Barolingo Korean](https://appshunter.io/ios/app/barolingo-korean/id6765983772)

All apps by BongJun Park: https://appshunter.io/developer/1887269135

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-12.*