# HTML Opener vs HTML Web Preview

The clearest difference is in-app purchases: HTML Web Preview at none against HTML Opener's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HTML Opener sells 1 one-off in-app purchase. HTML Web Preview asks for nothing beyond the download.

HTML Opener ships an update every 4 days, HTML Web Preview weekly. Both last shipped on October 26, 2026.

## The numbers

| Metric | HTML Opener | HTML Web Preview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/html-opener-web-code-runner/id6808631721/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GASHIMA LAB](https://appshunter.io/developer/1857125368) | [Do Yun Kim](https://appshunter.io/developer/6811644863) |

## What reviewers say

### HTML Opener

[App page](https://appshunter.io/ios/app/html-opener-web-code-runner/id6808631721)

This app renders local HTML, CSS, and JavaScript files in a real browser on your iPhone and iPad. It allows you to test web prototypes and view interactive pages without needing a computer or local server. Easily open entire project folders and toggle between desktop and mobile views.

**Highlights:** Renders local HTML, CSS, JavaScript, Opens entire project folders, Desktop and mobile view toggle, Fullscreen mode for web apps, Quick switcher for recent projects, Auto-launch primary tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HTML Opener PRO | $4.99 | one-time |


### HTML Web Preview

[App page](https://appshunter.io/ios/app/html-web-preview-js-css-json/id6811644861)

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

**In-app purchases:** none


## Frequently asked questions

### Is HTML Opener free?

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

### Is HTML Web Preview free?

HTML Web Preview is free to download, with no in-app purchases.

### Do HTML Opener or HTML Web Preview have ads?

Both HTML Opener and HTML Web Preview show ads.

### Which is updated more often, HTML Opener or HTML Web Preview?

HTML Opener ships an update every 4 days, and HTML Web Preview weekly. Most recently, HTML Opener was updated on October 26, 2026 and HTML Web Preview on October 26, 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.*