# JavaScript Studio vs JS.Notebook

The clearest difference is update cadence: JavaScript Studio at every 10 months against JS.Notebook's every 50 months. JavaScript Studio also leads on ratings volume (8 vs 1) and iOS requirement (10.0 vs 14.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for JavaScript Studio against 5.0 for JS.Notebook. That said, the two scores are not equally well evidenced: JavaScript Studio has 8 ratings behind it against 1, so its average is the more settled of the two.

JavaScript Studio ships an update every 10 months, JS.Notebook every 50 months. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | JavaScript Studio | JS.Notebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/javascript-studio/id1358563001/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jsnotebook/id1470144639/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 50 months |
| Monetization | Free | Free |
| Size | 33 MB | 19 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arrowat LLC](https://appshunter.io/developer/1358562640) | [Zijie Deng](https://appshunter.io/developer/1070117038) |

## What reviewers say

### JavaScript Studio

[App page](https://appshunter.io/ios/app/javascript-studio/id1358563001)

Build web applications directly on your smartphone using JavaScript, CSS, and HTML. This tool offers error checking as you code, ensuring you don't lose your ideas. It's designed for developers who need to write code on the go.

**Highlights:** Create web apps with JavaScript, CSS, HTML, Error checking during coding, Code on your smartphone, Save code and ideas, Supports HTML5

**Features:** macOS Compatibility

**In-app purchases:** none


### JS.Notebook

[App page](https://appshunter.io/ios/app/jsnotebook/id1470144639)

Build, test, and run your JavaScript code directly on your iOS device. This utility allows you to execute scripts in widgets and even use your device as a host for computer browser code execution.

**Highlights:** Build JavaScript code, Test code at runtime, Run code in widgets, Use device as code host, Code execution in computer browser

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JavaScript Studio free?

JavaScript Studio is free to download, with no in-app purchases.

### Is JS.Notebook free?

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

### Which has better reviews, JavaScript Studio or JS.Notebook?

JS.Notebook is rated higher. JavaScript Studio averages 4.9 out of 5 from 8 ratings, while JS.Notebook averages 5.0 from 1 ratings.

### Do JavaScript Studio or JS.Notebook have ads?

Neither JavaScript Studio nor JS.Notebook shows ads.

### Which is updated more often, JavaScript Studio or JS.Notebook?

JavaScript Studio ships an update every 10 months, and JS.Notebook every 50 months. Most recently, JavaScript Studio was updated on June 1, 2026 and JS.Notebook on September 17, 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.*