JS.Notebook vs CodeBoom IDE
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.
CodeBoom IDE
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CodeBoom is a mobile coding app built for fast online programming, practice, and learning. Write and run code directly from your phone with an online IDE that supports 22 programming languages, including Python, JavaScript, C, C++, Go, Java, PHP, Ruby, Rust, C#, Swift, TypeScript, Bash, and more. Start a new file in seconds, run code instantly, and view results in a built-in terminal. Whether you are learning your first language, practicing algorithms, testing small ideas, or reviewing code examples, CodeBoom gives you a clean and focused coding workspace anywhere. Key Features Online IDE for 22 Languages Create and run code online without complicated setup. Choose your language and start coding instantly. Mobile Code Editor Write code with a simple, readable editor designed for mobile screens. Use light, dark, or system theme based on your preference. Real Terminal Output Run programs and see results in a built-in terminal. Use terminal input for interactive programs and check execution status in real time. AI Coding Tutor Ask coding questions, get clear explanations, generate examples, debug problems, and run code replies directly from the chat. Coding Challenges Practice hands-on programming challenges, track progress, earn XP, and improve step by step. Save Projects Save your code as reusable projects, manage them in My Codes, and download files whenever you need. Why CodeBoom? • Online coding in your pocket • 22 programming languages supported • Built-in editor and terminal • Runnable AI code examples • Practice challenges for real improvement • Save, manage, and download projects • Clean UI with light, dark, and system themes CodeBoom is designed for learners, students, developers, interview preparation, and anyone who wants to code quickly without setting up a desktop environment. Start coding online today.
Screenshots
Verdict
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.
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.
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.
| Parameter | JS.Notebook | CodeBoom IDE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 50 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17 |
| Further details — not scored | ||
| Size | 19 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Zijie Deng | CodeBoom Tech LLC |
In-app purchases
JS.Notebook
No in-app purchases
CodeBoom IDE
No in-app purchases









