# JS.Notebook vs CodeBoom IDE

The clearest difference is update cadence: CodeBoom IDE at every 2 days against JS.Notebook's every 50 months. JS.Notebook's advantage is iOS requirement (14.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.

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

JS.Notebook ships an update every 50 months, CodeBoom IDE every 2 days. The most recent releases landed on September 17, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | JS.Notebook | CodeBoom IDE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jsnotebook/id1470144639/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 19 MB | 23 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zijie Deng](https://appshunter.io/developer/1070117038) | [CodeBoom Tech LLC](https://appshunter.io/developer/1867943802) |

## What reviewers say

### 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


### CodeBoom IDE

[App page](https://appshunter.io/ios/app/codeboom-ide/id6757625358)

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

**In-app purchases:** none


## Frequently asked questions

### Is JS.Notebook free?

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

### Is CodeBoom IDE free?

CodeBoom IDE is free to download, with no in-app purchases.

### Do JS.Notebook or CodeBoom IDE have ads?

Neither JS.Notebook nor CodeBoom IDE shows ads.

### Which is updated more often, JS.Notebook or CodeBoom IDE?

JS.Notebook ships an update every 50 months, and CodeBoom IDE every 2 days. Most recently, JS.Notebook was updated on September 17, 2026 and CodeBoom IDE on September 28, 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.*