JS.Notebook vs Pico Buddy
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.
Pico Buddy
This AI chat application operates entirely on your device, ensuring all conversations and data remain private. It offers features like summarization, translation, grammar correction, and email rewriting without requiring an internet connection or account creation.
- On-device AI chat
- Offline summarization
- Offline translation (20 languages)
- Grammar correction
- Email rewriting
- Custom AI modes
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Pico Buddy is a private AI chat app that runs entirely on your device — no internet, no account, no data ever leaves your phone. Ask questions, summarize articles, translate text, fix grammar, rewrite emails, and chat freely — all powered by a built-in AI model that works offline, anywhere. FEATURES • Chat — have a real conversation with an on-device AI, with full history • Summarize — paste any text and get a concise summary instantly • Translate — translate between 20 languages without sending data to a server • Email — rewrite drafts in the perfect professional tone • Fix Grammar — correct errors without changing your voice • Custom Modes — create your own AI tools with custom prompts PRIVACY FIRST Everything runs on your device. No server, no account, no conversation data shared with anyone — ever. PRO UNLOCK (one-time purchase) Unlock Summarize, Translate, Email, Fix Grammar, and Custom Modes with a single one-time purchase. No subscription. DISCLAIMER AI responses may contain errors. Pico Buddy is not intended for medical, legal, safety-critical, or any other high-stakes purposes. Results are provided as-is and are intended for personal reference only. LEGAL Privacy Policy: https://private-intelligence.ai/apps/pico-buddy/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: JS.Notebook at 5.0 against Pico Buddy's 1.0. JS.Notebook also leads on in-app purchases (none vs 1) and device support. Pico Buddy's advantage is update cadence (every 24 months vs every 50 months). On price, ratings volume and iOS requirement 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. Pico Buddy sells 1 one-off in-app purchase. JS.Notebook asks for nothing beyond the download.
JS.Notebook holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
JS.Notebook ships an update every 50 months, Pico Buddy every 24 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.
| Parameter | JS.Notebook | Pico Buddy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 50 months | Every 24 months — better |
| Ads | No | — |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 767 MB |
| Age rating | 4+ | 4+ |
| Developer | Zijie Deng | Private Intelligence Inc. |
In-app purchases
JS.Notebook
No in-app purchases
Pico Buddy
- Pico Buddy Pro$4.99
