# JS Shell vs dev HTML Playground

JS Shell and dev HTML Playground are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | JS Shell | dev HTML Playground |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Jowb Inc.](https://appshunter.io/developer/1895585856) | [KOICHIRO YAMAMOTO](https://appshunter.io/developer/1191754397) |

## What reviewers say

### JS Shell

[App page](https://appshunter.io/ios/app/js-shell/id6763982889)

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

**In-app purchases:** none


### dev HTML Playground

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

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

**In-app purchases:** none


## Frequently asked questions

### Is JS Shell free?

JS Shell is free to download, with no in-app purchases.

### Is dev HTML Playground free?

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

### Do JS Shell or dev HTML Playground have ads?

Neither JS Shell nor dev HTML Playground shows ads.

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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.*