Comparison

OpenHTML vs HTML Viewer (013653)

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 (013653)

This app provides a dedicated environment for rendering and managing AI-generated HTML files. It allows for instant import from the Files app, organized file management with a collapsible tree, and multi-file viewing through tabs or split screen. Your files are kept private on your device.

Highlights
  • AI HTML rendering
  • Import from Files app
  • Nested folder structure
  • Collapsible file tree
  • Tabbed interface
  • Split view for comparison
  • On-device file storage
Features
Read full description

Every HTML file you generate with AI deserves a proper home — and a proper canvas. HTML Viewer is the studio built for the age of AI-generated code. Whether you're creating dashboards, prototypes, or data visualizations from any AI assistant or large language model, this app gives your HTML artifacts the full-fidelity rendering environment they deserve. IMPORT FROM FILES, INSTANTLY Bring in any HTML file straight from the Files app — iCloud Drive, local storage, or any connected provider. No copy-pasting, no workarounds. Tap, import, and render. ORGANIZED THE WAY YOU WORK Build a nested folder structure and manage all your HTML files in a collapsible file tree. When it's time to focus, one tap hides the entire sidebar and expands the canvas to fill your screen. TABS AND SPLIT VIEW Open multiple HTML files at once with a clean tabbed interface, or activate split view to compare two files side by side. Perfect for reviewing iterations, design variations, or before-and-after states across your projects. YOUR FILES, YOUR DEVICE Everything stays on your device. No uploads, no remote servers, no accounts required. Your files are stored privately on-device by default. HTML Viewer is the tool that was missing from every AI-assisted workflow. Download it today and give your artifacts a studio-grade home.

Screenshots

OpenHTML4 screens
HTML Viewer (013653)2 screens

Verdict

The call

The clearest difference is in-app purchases: HTML Viewer (013653) at none against OpenHTML's 1. On price, rating, ratings volume and ads 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. HTML Viewer (013653) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OpenHTML against 5.0 for HTML Viewer (013653). Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Scorecard2 real differences · 8 level
OpenHTML versus HTML Viewer (013653): the parameters behind the verdict, then further details
ParameterOpenHTMLHTML Viewer (013653)
PriceFreeFree
Rating5.0 (4 ratings)5.0 (2 ratings)
Positive reviews71.4% of reviews—
Number of ratings4 — better2
Update frequencyEvery 6 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size20 MB3 MB
Age rating4+17+
Developer吉帅 仇Naoya Yamashita

In-app purchases

1 purchases

OpenHTML

One-time1
  • OpenHTML Pro$2.99
None

HTML Viewer (013653)

No in-app purchases

Questions

Is OpenHTML free?
OpenHTML is free to download, with in-app purchases available.
Is HTML Viewer (013653) free?
HTML Viewer (013653) is free to download, with no in-app purchases.
Which has better reviews, OpenHTML or HTML Viewer (013653)?
OpenHTML and HTML Viewer (013653) are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.
Do OpenHTML or HTML Viewer (013653) have ads?
Neither OpenHTML nor HTML Viewer (013653) shows ads.

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