# JS.Notebook vs Pico Buddy

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.

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.

## The numbers

| Metric | JS.Notebook | Pico Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/jsnotebook/id1470144639/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/pico-buddy/id6502399055/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Every 50 months | **Every 24 months** |
| Monetization | **Free** | Freemium |
| Size | 19 MB | 767 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Zijie Deng](https://appshunter.io/developer/1070117038) | [Private Intelligence Inc.](https://appshunter.io/developer/1745322684) |

## 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


### Pico Buddy

[App page](https://appshunter.io/ios/app/pico-buddy/id6502399055)

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.

**Highlights:** On-device AI chat, Offline summarization, Offline translation (20 languages), Grammar correction, Email rewriting, Custom AI modes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pico Buddy Pro | $4.99 | one-time |


## Frequently asked questions

### Is JS.Notebook free?

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

### Is Pico Buddy free?

Pico Buddy is free to download, with in-app purchases available.

### Which has better reviews, JS.Notebook or Pico Buddy?

JS.Notebook is rated higher. JS.Notebook averages 5.0 out of 5 from 1 ratings, while Pico Buddy averages 1.0 from 1 ratings.

### Which is updated more often, JS.Notebook or Pico Buddy?

JS.Notebook ships an update every 50 months, and Pico Buddy every 24 months. Most recently, JS.Notebook was updated on September 17, 2026 and Pico Buddy on September 9, 2026.

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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.*