Comparison

OpenHTML vs HTML Viewer

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

Head to head
About

OpenHTML

View HTML, Markdown, ZIP web projects, and source files privately on your device. Inspect and export rendered pages offline, diagnose rendering issues, and view code files securely. Designed for developers, students, and anyone needing to inspect web content safely.

Highlights
  • View HTML, Markdown, and source files
  • Import ZIP archives and web projects
  • Offline rendering with network access blocked by default
  • Diagnose rendering and resource issues
  • Export pages to PDF or long images
  • Private by default, no accounts or analytics
Features
Read full description

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.

About

HTML Viewer

Features
Read full description

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

OpenHTML4 screens
HTML Viewer3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OpenHTML sells 1 one-off in-app purchase and HTML Viewer sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OpenHTML ships an update every 5 days, HTML Viewer monthly. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
OpenHTML versus HTML Viewer: the parameters behind the verdict, then further details
ParameterOpenHTMLHTML Viewer
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 days — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size14 MB26 MB
Age rating4+4+
Developer吉帅 仇明航 李

In-app purchases

1 purchases

OpenHTML

One-time1
  • OpenHTML Pro$0.99
2 purchases

HTML Viewer

Subscriptions2
  • Unlimited access$4.997 Days
  • Unlimited access$24.991 Year

Questions

Is OpenHTML free?
OpenHTML is free to download, with in-app purchases available.
Is HTML Viewer free?
HTML Viewer is free to download, with in-app purchases available.
Do OpenHTML or HTML Viewer have ads?
Neither OpenHTML nor HTML Viewer shows ads.
Which is updated more often, OpenHTML or HTML Viewer?
OpenHTML ships an update every 5 days, and HTML Viewer monthly. Most recently, OpenHTML was updated on September 14, 2026 and HTML Viewer on September 24, 2026.

Other comparisons