# dev HTML Playground vs HTML Opener

The clearest difference is ads: dev HTML Playground at none against HTML Opener's shown. HTML Opener's advantage is update cadence (every 4 days vs every 9 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

dev HTML Playground ships an update every 9 days, HTML Opener every 4 days. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | dev HTML Playground | HTML Opener |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dev-html-playground-web-ide/id6788730344/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 3 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [KOICHIRO YAMAMOTO](https://appshunter.io/developer/1191754397) | [GASHIMA LAB](https://appshunter.io/developer/1857125368) |

## What reviewers say

### dev HTML Playground

[App page](https://appshunter.io/ios/app/dev-html-playground-web-ide/id6788730344)

Create and run HTML projects on your iPhone without coding knowledge. Easily integrate AI-generated code, preview instantly, and save your work. Turn your creations into standalone apps on your home screen.

**Highlights:** AI integration for code generation, Code editor with syntax highlighting, Instant code preview and debugging, Safe, project-specific data storage, Multiple project templates, Add projects to home screen, Export projects as ZIP or HTML

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

**In-app purchases:** none


### HTML Opener

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

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

**In-app purchases:** none


## Frequently asked questions

### Is dev HTML Playground free?

dev HTML Playground is free to download, with no in-app purchases.

### Is HTML Opener free?

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

### Do dev HTML Playground or HTML Opener have ads?

HTML Opener shows ads; dev HTML Playground does not.

### Which is updated more often, dev HTML Playground or HTML Opener?

dev HTML Playground ships an update every 9 days, and HTML Opener every 4 days. Most recently, dev HTML Playground was updated on October 14, 2026 and HTML Opener on October 20, 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.*