# HTML Dual Viewer vs WebPen

The clearest difference is review sentiment: WebPen at 60% against HTML Dual Viewer's 0%. WebPen also leads on rating (3.7 vs 2.7). HTML Dual Viewer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. WebPen sells 1 one-off in-app purchase. HTML Dual Viewer asks for nothing beyond the download.

WebPen holds the better App Store score, 3.7 against 2.7. Both are backed by a comparable volume of ratings — 3 and 7 respectively. Written reviews point the same way: 0% of HTML Dual Viewer's written reviews are positive against 60% of WebPen's.

HTML Dual Viewer ships an update every 3 weeks, WebPen every 8 months. The most recent releases landed on August 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | HTML Dual Viewer | WebPen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/html-dual-viewer/id1027385656/reviews) | **[3.7 (7 ratings)](https://appshunter.io/ios/app/webpen-html-editor-and-preview/id6749603694/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | **Free** | Ad-supported |
| Size | 16 MB | 24 MB |
| Requires iOS | **8.4** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Makoto Nishimoto](https://appshunter.io/developer/896702438) | [伟强 周](https://appshunter.io/developer/791062588) |

## 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


### WebPen

[App page](https://appshunter.io/ios/app/webpen-html-editor-and-preview/id6749603694)

Write, test, and run HTML, CSS, and JavaScript code directly on your mobile device. This app offers a clean editor with live preview and the ability to instantly execute AI-generated code. Save your projects and share them easily.

**Highlights:** Code Editor for HTML/CSS/JS, Instant AI Code Execution, Live Code Preview, Save and Store Projects, Customizable User Interface, Quick Code Sharing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is HTML Dual Viewer free?

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

### Is WebPen free?

WebPen is free to download, with in-app purchases available.

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

WebPen is rated higher. HTML Dual Viewer averages 2.7 out of 5 from 3 ratings, while WebPen averages 3.7 from 7 ratings.

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

WebPen shows ads; HTML Dual Viewer does not.

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

HTML Dual Viewer ships an update every 3 weeks, and WebPen every 8 months. Most recently, HTML Dual Viewer was updated on August 15, 2026 and WebPen on June 1, 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.*