HTML Dual Viewer vs HTML Viewer Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HTML Dual Viewer
View HTML source code and browse web pages side-by-side. Features a syntax highlighter and Google search integration for easy code checking and site analysis. Allows real-time updates of HTML source as you navigate.
- Dual screen HTML viewer
- Syntax highlighter
- Google search integration
- Real-time HTML source updates
- Adjustable screen width
- Full screen mode
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*Dual View & Google Search & Syntax Highlighter HTML Viewer!! *High quality but simple. Corresponding to search Google, it is a two-screen HTML Viewer. NEW!! Syntax Highlighter like "Sublime text" *Syntax Highlighter is heavy process. If loading time is too long, you had better changing background color to "Blue". (No Syntax Highlighter mode) [How to use] Browser screen left, the right to display the HTML source at the same time . Make it easy to adjust the width of each screen. You can check the HTML source to compare left and right. Because it corresponds also "Google search", you do not need to directly hit the URL. HTML source is also updated in real time when you open a new page. I also support shared from the browser. *Full Screen Mode: Double-tap on source view [Features] Unlike the HTML Viewer to display the hit URL, you can use "Google Search". Because every time you open a new web page, HTML source will be updated automatically, it is also useful to check the entire site. Simple, easy to use and safe operation as well, it is a handy HTML Viewer !! This app is best HTML Viewer !!
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.
- 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
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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
Screenshots
Verdict
The clearest difference is review sentiment: HTML Viewer Pro at 47% against HTML Dual Viewer's 0%. HTML Viewer Pro also leads on rating (3.9 vs 2.7) and ratings volume (45 vs 3). HTML Dual Viewer's advantage is in-app purchases (none vs 2) and ads (none vs shown). 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
Both are free to download. HTML Viewer Pro sells 2 in-app purchases, starting at $1.99 per month. HTML Dual Viewer asks for nothing beyond the download.
HTML Viewer Pro holds the better App Store score, 3.9 against 2.7. That said, the two scores are not equally well evidenced: HTML Viewer Pro has 45 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of HTML Dual Viewer's written reviews are positive against 47% of HTML Viewer Pro's.
HTML Dual Viewer ships an update every 3 weeks, HTML Viewer Pro every 15 months. The most recent releases landed on August 15, 2026 and September 5, 2026 respectively.
| Parameter | HTML Dual Viewer | HTML Viewer Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (3 ratings) | 3.9 (45 ratings) — better |
| Positive reviews | 0.0% of reviews | 47.4% of reviews — better |
| Number of ratings | 3 | 45 — better |
| Update frequency | Every 3 weeks — better | Every 15 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.4 — better | 12.0 |
| Further details — not scored | ||
| Size | 16 MB | 33 MB |
| Age rating | 17+ | 17+ |
| Developer | Makoto Nishimoto | Hayato Shimizu |
Customer experience
HTML Dual Viewer
HTML Viewer Pro
In-app purchases
HTML Dual Viewer
No in-app purchases
HTML Viewer Pro
- Premium (Monthly plan)$1.991 Month
- Premium (Buying out)$19.99
Questions
Is HTML Dual Viewer free?
Is HTML Viewer Pro free?
Which has better reviews, HTML Dual Viewer or HTML Viewer Pro?
Do HTML Dual Viewer or HTML Viewer Pro have ads?
Which is updated more often, HTML Dual Viewer or HTML Viewer Pro?
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