# JS.Notebook vs EM6211

The clearest difference is iOS requirement: EM6211 at 12.0 against JS.Notebook's 14.0. 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.

## The numbers

| Metric | JS.Notebook | EM6211 |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 19 MB | 45 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Zijie Deng](https://appshunter.io/developer/1070117038) | [ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD.](https://appshunter.io/developer/1064839954) |

## 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


### EM6211

[App page](https://appshunter.io/ios/app/em6211/id6475598981)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JS.Notebook free?

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

### Is EM6211 free?

EM6211 is free to download, with no in-app purchases.

### Do JS.Notebook or EM6211 have ads?

Neither JS.Notebook nor EM6211 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.*