Comparison

HTML Viewer vs OpenHTML

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

Head to head
About

HTML Viewer

This app allows you to view HTML files directly on your iPhone and iPad, offline and without tracking. It supports full JavaScript and CSS rendering, making it ideal for developers, students, and educators.

Highlights
  • Offline HTML rendering
  • Full JavaScript and CSS support
  • Import via Files app or Share Sheet
  • Dark Mode support
  • Pinch-to-zoom functionality
  • View source code with syntax highlighting (Pro)
Features
Read full description

Sitecase is your viewer for local HTML files on iPhone and iPad — local, private and usable offline, with no tracking. Import your HTML files via the Files app or the Share sheet and view them with full CSS and JavaScript support. HTML code saved as a .txt file is shown directly as a page, too. You can also open complete folders with multiple files – entire projects or multi-page websites with images, CSS and JavaScript, not just single files (Pro). Ideal for web developers, students, teachers or anyone who wants to view HTML content on the go. FEATURES: • Full rendering of HTML, CSS and JavaScript • Open whole folders: complete projects made of multiple files – multi-page websites with images, CSS and JavaScript (Pro) • Paste HTML code straight from the clipboard (Pro) • Store an unlimited number of files (Pro) • Dark Mode support • Import files via the Share sheet or the Files app • Shortcuts & Siri: open saved files directly – also as an icon on the Home Screen • Pinch to zoom • Turn network access on or off at any time • View and adjust source code with syntax highlighting – changes only affect the copy in the app (Pro) • Text search within files (Pro) • Manage favorites (Pro) • Talk to devices on your own network, e.g. smart home or heating (Pro) • Adjustable zoom level (Pro) • Turn JavaScript support on or off (Pro) PRIVACY: All your files stay local on your device. The app itself doesn't connect to any server and doesn't use any analytics or tracking services. If an opened page intentionally loads online content, you can turn off network access at any time.

About

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.

Highlights
  • 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)
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.

Screenshots

HTML Viewer4 screens
OpenHTML4 screens

Verdict

The call

The clearest difference is rating: OpenHTML at 5.0 against HTML Viewer's 4.7. HTML Viewer's advantage is review sentiment (95% vs 71%) and ratings volume (48 vs 4). On price, update cadence, ads and in-app purchases 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. HTML Viewer sells 1 one-off in-app purchase and OpenHTML sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

OpenHTML holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: HTML Viewer has 48 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 95% of HTML Viewer's written reviews are positive against 71% of OpenHTML's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

HTML Viewer ships an update every 3 days, OpenHTML every 5 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
HTML Viewer versus OpenHTML: the parameters behind the verdict, then further details
ParameterHTML ViewerOpenHTML
PriceFreeFree
Rating4.7 (48 ratings)5.0 (4 ratings) — better
Positive reviews95.0% of reviews — better71.4% of reviews
Number of ratings48 — better4
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.6 — better18.0
Further details — not scored
Size22 MB20 MB
Age rating4+4+
DeveloperDennis Bortmes吉帅 仇

Customer experience

HTML Viewer

All ratings37 ratings
Positive91.9%
Neutral2.7%
Negative5.4%
Written reviews20 reviews
Positive95.0%
Neutral0.0%
Negative5.0%

OpenHTML

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive71.4%
Neutral14.3%
Negative14.3%

In-app purchases

1 purchases

HTML Viewer

One-time1
  • Sitecase Pro$5.99
1 purchases

OpenHTML

One-time1
  • OpenHTML Pro$2.99

Questions

Is HTML Viewer free?
HTML Viewer is free to download, with in-app purchases available.
Is OpenHTML free?
OpenHTML is free to download, with in-app purchases available.
Which has better reviews, HTML Viewer or OpenHTML?
OpenHTML is rated higher. HTML Viewer averages 4.7 out of 5 from 48 ratings, while OpenHTML averages 5.0 from 4 ratings.
Do HTML Viewer or OpenHTML have ads?
Neither HTML Viewer nor OpenHTML shows ads.
Which is updated more often, HTML Viewer or OpenHTML?
HTML Viewer ships an update every 3 days, and OpenHTML every 5 days. Most recently, HTML Viewer was updated on October 31, 2026 and OpenHTML on October 31, 2026.

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