JS.Notebook vs EM6211
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JS.Notebook
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.
- Build JavaScript code
- Test code at runtime
- Run code in widgets
- Use device as code host
- Code execution in computer browser
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JS Notebook provides a creative way for you to build and try out your Javascript. - Build, test, and check your code at runtime. - Easily run your code in Widgets - Read code in computer browse, make the iOS device to be a host.
EM6211
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The EM6211 IOS App is a specialized advanced tool tailored for multimeters, enabling seamless connection with your IOS device (iPhone/iPad) to expand your multimeter’s capabilities. With this app, you can mirror real-time multimeter readings directly on your IOS device, letting you monitor critical data from a distance without being tied to the device. Additionally, the app provides full remote control of the multimeter—you can adjust settings and operate it directly from your IOS device, no physical presence required. The app also boasts powerful data logging capabilities, letting you record measurements and export them in common formats (e.g., CSV, Excel) for easy analysis or professional reporting. Whether you’re tackling complex projects or need to track key measurements over time, this app offers a flexible, intuitive, and user-friendly interface that streamlines your workflow—no complex setup required. Key Features: Seamless real-time sync:Mirror multimeter readings instantly between your device and IOS (iPhone/iPad). Remote control:Adjust multimeter settings and operate it directly from your IOS device—no physical access needed. Powerful data logging:Record measurements and export in CSV/Excel for detailed analysis or reporting. Intuitive IOS interface:Easily access all multimeter functions via a user-friendly design optimized for IOS systems.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | JS.Notebook | EM6211 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 50 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 45 MB |
| Age rating | 4+ | 9+ |
| Developer | Zijie Deng | ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD. |
In-app purchases
JS.Notebook
No in-app purchases
EM6211
No in-app purchases









