Comparison

HTML Viewer Pro vs Aspose.Words

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

Head to head
About

HTML Viewer Pro

View HTML source code from URLs or directly from Safari. This app offers multi-tab browsing, bookmarking, and search functionality. Customize the display with various themes, fonts, and user agents.

Highlights
  • View source code from URLs
  • View source code from Safari share
  • Multi-tab browsing
  • Bookmark and history management
  • Keyword search in source code
  • Switch between static and dynamic HTML
  • Customizable themes and fonts
Features
Read full description

It is a multi-functional HTML source viewer. You can view the source code by URLs, and of course, you can also view the source code from Safari's share button. Since it is the latest version of the app, it covers almost all the features of other apps. [Features & Functions] - Browser and source code switching. - Multi-tab browsing. - Display bookmarks and history. - Search for keywords in the source code. - Switch between static and dynamic HTML. - Changing the user agent. - Display non-HTML languages. - Use the cloud, such as iCloud, Dropbox, OneDrive, etc. - Use local files in the iPhone and iPad. - Balanced light operation. [View source code] - About 90 different design themes available. - Change the font, size and line spacing. - Switch between static and dynamic HTML. - Support for almost all programming languages (over 180). [Terms & Conditions] https://www.hayaya.net/terms-conditions/html-viewer.html [Privacy Policy] https://www.hayaya.net/privacy-policy/html-viewer.html

About

Aspose.Words

Features
Read full description

DocViewer is a toolkit for working with documents on mobile devices. Features: View documents with text search Convert files from one format to another Merge multiple documents into one file Split documents into parts Work offline Supports 20+ formats, including popular ones: Office documents: PDF, DOCX, DOC, RTF, ODT, XPS E-books: EPUB, MOBI, AZW3 Web documents: HTML, Markdown, CHM Advantages: High-speed file processing Accurate display of formatting and fonts Data caching for quick repeated access Simple and intuitive user interface Our app is perfect for: Working with business documents while traveling Reading e-books on the way to work Fast and accurate file conversion between formats Merging reports and presentations Splitting large documents Extracting individual pages or page ranges DocViewer is a simple and powerful toolkit developed by Aspose for mobile document work anywhere.

Screenshots

HTML Viewer Pro4 screens
Aspose.Words4 screens

Verdict

The call

The clearest difference is in-app purchases: Aspose.Words at none against HTML Viewer Pro's 2. Aspose.Words also leads on ads (none vs shown) and update cadence (weekly vs every 15 months). HTML Viewer Pro's advantage is iOS requirement (12.0 vs 15.0). On price 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. HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. Aspose.Words asks for nothing beyond the download.

UpkeepUpdate frequency

HTML Viewer Pro ships an update every 15 months, Aspose.Words weekly. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

Scorecard4 real differences · 6 level
HTML Viewer Pro versus Aspose.Words: the parameters behind the verdict, then further details
ParameterHTML Viewer ProAspose.Words
PriceFreeFree
Rating3.9 (45 ratings) — better—
Positive reviews47.4% of reviews—
Number of ratings45 — better—
Update frequencyEvery 15 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size33 MB69 MB
Age rating17+4+
DeveloperHayato ShimizuAspose Pty Ltd

In-app purchases

2 purchases

HTML Viewer Pro

Subscriptions1
  • Premium (Monthly plan)$1.991 Month
One-time1
  • Premium (Buying out)$19.99
None

Aspose.Words

No in-app purchases

Questions

Is HTML Viewer Pro free?
HTML Viewer Pro is free to download, with in-app purchases available.
Is Aspose.Words free?
Aspose.Words is free to download, with no in-app purchases.
Do HTML Viewer Pro or Aspose.Words have ads?
HTML Viewer Pro shows ads; Aspose.Words does not.
Which is updated more often, HTML Viewer Pro or Aspose.Words?
HTML Viewer Pro ships an update every 15 months, and Aspose.Words weekly. Most recently, HTML Viewer Pro was updated on September 5, 2026 and Aspose.Words on September 11, 2026.

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