OpenViewer vs DjVuView
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
OpenViewer
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OpenViewer is a lightweight viewer for all standard document formats. [Supported formats] PDF Ā· HWP Ā· DOCX Ā· XLSX Ā· PPTX Ā· EPUB Ā· TXT Ā· Images [Key features] ā¢ Fast launch ā¢ Dark mode ā¢ Recent files + favorites ā¢ 100% on-device processing ā¢ 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
DjVuView
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DjVu View is a clean and practical DjVu document reader for iPhone and iPad. Open .djvu and .djv files, view pages in a focused reader, zoom in for details, move between pages quickly, and switch to full-screen mode when you want more space for reading. The app is designed for documents, scans, books, research files, archived papers, and other DjVu content that you need to inspect on the go. Features: Open DjVu and DJV files from your device View documents in a simple full-screen reader Navigate between pages easily Zoom in and out for detailed reading Jump directly to a page View file information such as name, size, and page count Light and dark appearance support iPhone and iPad layout support Pro conversion tools for exporting pages as PNG, JPEG, or PDF DjVu View keeps the interface focused on the document, with quick access to the tools you need and no unnecessary clutter.
Screenshots
Verdict
The clearest difference is in-app purchases: OpenViewer at none against DjVuView's 1. DjVuView's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. DjVuView sells 1 one-off in-app purchase. OpenViewer asks for nothing beyond the download.
OpenViewer ships an update every 2 months, DjVuView monthly. Both last shipped on November 5, 2026.
| Parameter | OpenViewer | DjVuView |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly ā better |
| Ads | Yes | No ā better |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac ā better |
| Requires iOS | 15.1 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 41 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | BongJun Park | Bostan Constantin |
In-app purchases
OpenViewer
No in-app purchases
DjVuView
- DjVu Pro$1.89
Questions
Is OpenViewer free?
Is DjVuView free?
Do OpenViewer or DjVuView have ads?
Which is updated more often, OpenViewer or DjVuView?
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