# HTML Dual Viewer vs HTML Viewer Pro

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.

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.

## The numbers

| Metric | HTML Dual Viewer | HTML Viewer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/html-dual-viewer/id1027385656/reviews) | **[3.9 (45 ratings)](https://appshunter.io/ios/app/html-viewer-pro/id1521187909/reviews)** |
| Number of ratings | 3 | **45** |
| Positive reviews | 0.0% of reviews | **47.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 15 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 33 MB |
| Requires iOS | **8.4** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Makoto Nishimoto](https://appshunter.io/developer/896702438) | [Hayato Shimizu](https://appshunter.io/developer/1207195348) |

## What reviewers say

### HTML Dual Viewer

[App page](https://appshunter.io/ios/app/html-dual-viewer/id1027385656)

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.

**Highlights:** Dual screen HTML viewer, Syntax highlighter, Google search integration, Real-time HTML source updates, Adjustable screen width, Full screen mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HTML Viewer Pro

[App page](https://appshunter.io/ios/app/html-viewer-pro/id1521187909)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly plan) | $1.99 | per month |
| Premium (Buying out) | $19.99 | one-time |


## Frequently asked questions

### Is HTML Dual Viewer free?

HTML Dual Viewer is free to download, with no in-app purchases.

### Is HTML Viewer Pro free?

HTML Viewer Pro is free to download, with in-app purchases available.

### Which has better reviews, HTML Dual Viewer or HTML Viewer Pro?

HTML Viewer Pro is rated higher. HTML Dual Viewer averages 2.7 out of 5 from 3 ratings, while HTML Viewer Pro averages 3.9 from 45 ratings.

### Do HTML Dual Viewer or HTML Viewer Pro have ads?

HTML Viewer Pro shows ads; HTML Dual Viewer does not.

### Which is updated more often, HTML Dual Viewer or HTML Viewer Pro?

HTML Dual Viewer ships an update every 3 weeks, and HTML Viewer Pro every 15 months. Most recently, HTML Dual Viewer was updated on August 15, 2026 and HTML Viewer Pro on September 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*