OpenHTML vs HTML Viewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenHTML
A private, on-device viewer for HTML, Markdown, ZIP web projects, and source files on iOS. Inspect files offline, diagnose rendering issues, and export clean copies. Designed for developers, students, and anyone needing to safely view web content.
- View HTML, Markdown, ZIP archives
- Offline preview with network access off
- Diagnose rendering and JavaScript issues
- Code-friendly reader for JSON, XML, source files
- Export pages to PDF or long images (Pro)
- iCloud Drive integration for multi-device access (Pro)
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OpenHTML is a private, on-device viewer for HTML, Markdown, ZIP web projects and source files on iPhone and iPad. Open files from Files, Mail, chat apps, AI tools or Safari. Preview pages offline, inspect what went wrong when a file does not render, and export finished pages when you need a clean copy. What you can do: - Open .html, .htm, .xhtml and Markdown files - Import ZIP archives and multi-file web projects - Render LaTeX math in Markdown offline, with no scripts - Preview local pages with network access off by default - Diagnose missing files, blocked resources and JavaScript issues - View JSON, XML and source files with a code-friendly reader - Export full pages to PDF or long images with OpenHTML Pro - Keep selected files in your OpenHTML folder in iCloud Drive and open them on your other devices with OpenHTML Pro Private by default: OpenHTML has no accounts, no analytics and no ads. Files are copied into the app's private storage and stay on your device unless you add them to your own OpenHTML folder in iCloud Drive. Remote resources stay blocked unless you choose to allow them for a trusted document. OpenHTML is designed for developers, students, researchers, writers and anyone who receives HTML reports, AI-generated pages, saved webpages or packaged web projects and wants to inspect them safely on iOS.
HTML Viewer
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HTML Viewer opens and reads any HTML file in a clean, fast, fully offline view — no clutter, no internet needed. Open an HTML or XHTML file from Files, Mail, a download, or the share sheet, and read it beautifully in seconds. Key features: • Open HTML & XHTML files from anywhere — Files, Mail, downloads, or the share sheet • Clean reading view — fast, distraction-free, easy on the eyes • Fully offline — read without an internet connection • Recent files — jump back to what you were reading • In-app search — find the page or text you need • Bookmarks — keep the pages you return to • Dark mode — comfortable reading day or night Great for reports, articles, saved web pages, AI-generated HTML, e-tickets, and exported documents — anytime, anywhere. Download HTML Viewer and open any HTML file in a tap. This app is using the standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: OpenHTML at every 5 days against HTML Viewer's monthly. HTML Viewer's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases 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
Both are free to download. OpenHTML sells 1 one-off in-app purchase and HTML Viewer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
OpenHTML ships an update every 5 days, HTML Viewer monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | OpenHTML | HTML Viewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | 吉帅 仇 | 明航 李 |
In-app purchases
OpenHTML
- OpenHTML Pro$2.99
HTML Viewer
- Unlimited access$4.997 Days
- Unlimited access7 Days trial$24.991 Year
- Unlimited access$24.991 Year









