JS.Notebook vs xChat AI
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.
xChat AI
Engage in intelligent, offline conversations powered by advanced large language models directly on your device. Choose from multiple models for personalized advice, technical discussions, or academic debates, all while ensuring your data remains private and secure.
- Offline AI conversations
- Multiple language models (Llama, Gemma, Qwen, Phi, Mistral)
- Local data processing for privacy
- User data control (download, delete, manage)
- Intelligent advice and discussions
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Enter a new era of communication with our mobile app, deploying advanced large language models directly onto your device. Utilizing state-of-the-art AI technology, you can engage in intelligent conversations at your convenience, without depending on the cloud. Multiple models, endless possibilities.(Llama, Gemma, Qwen, Phi, Mistral) Our app supports various language models, catering to a wide range of applications and needs. Whether seeking everyday advice, technical discussions, or in-depth academic debates, you can easily switch models and enjoy the most personalized service. Data privacy, security assurance Securing your data is our top priority. All data processing and model operations are performed locally, giving you complete control. You can download, delete, or manage your data at any time, ensuring your privacy rights are protected. Supported devices: iphone 13 pro max or above 进入一个全新的沟通时代,通过我们的手机App,将先进的大语言模型直接部署到你的设备上。通过先进的AI 技术,无需依赖云端,你可以在任何时候随心所欲地进行智能对话。 多种模型,无限可能。(Llama, Gemma, Qwen, Phi, Mistral) 我们的App支持多种不同的语言模型,涵盖广泛的应用场景和需求。无论是寻找日常建议、技术探讨,还是深度学术讨论,你都可以轻松切换模型,享受到最贴心的服务。 数据隐私,安全保障 你的数据安全是我们的首要任务。所有的数据处理和模型运行都在本地完成,你拥有完全的控制权,随时可以下载、删除或管理你的数据,保障你的隐私权利。 支持设备: iphone 13 pro max 或之上
Screenshots
Verdict
The clearest difference is rating: JS.Notebook at 5.0 against xChat AI's 3.7. JS.Notebook also leads on iOS requirement (14.0 vs 17.0). xChat AI's advantage is update cadence (every 9 days vs every 50 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
JS.Notebook ships an update every 50 months, xChat AI every 9 days. The most recent releases landed on September 17, 2026 and June 8, 2026 respectively.
| Parameter | JS.Notebook | xChat AI |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 50 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 19 MB | 1.4 GB |
| Age rating | 4+ | 17+ |
| Developer | Zijie Deng | Inventec Appliances Shanghai Co., Ltd. |
Customer experience
JS.Notebook
xChat AI
In-app purchases
JS.Notebook
No in-app purchases
xChat AI
No in-app purchases








