# Carnets vs ConnectBox

The clearest difference is price: Carnets at Free against ConnectBox's $0.99. Carnets also leads on chart position (#96 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Carnets is free to download; ConnectBox costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Carnets ships an update monthly, ConnectBox every 3 weeks. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Carnets | ConnectBox |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (316 ratings)](https://appshunter.io/ios/app/carnets-jupyter/id1450994949/reviews)** | — |
| Number of ratings | **316** | — |
| Positive reviews | 78.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Best chart rank | **#96** | — |
| Size | 1.4 GB | 7 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [源 陈](https://appshunter.io/developer/1217365131) |

## What reviewers say

### Carnets

[App page](https://appshunter.io/ios/app/carnets-jupyter/id1450994949)

**Currently charting:** #96 Top Free · Developer Tools (US App Store)

This app offers a standalone Jupyter notebook environment for creating and running code snippets, combining them with text and Markdown. It includes pre-installed scientific packages and allows for offline use, making it ideal for education and research.

**Highlights:** Standalone Jupyter notebook implementation, Embedded Python interpreter, Offline functionality, Pre-installed scientific packages, Supports Jupyterlab, Package installation via %pip, Notebook sharing and opening

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent app for coding on iPad
- 👍 Convenient for learning and coding on the go
- 🚀 Works just like Jupyter Notebook on desktop
- 👍 Helpful for self-learning Python
- 👍 Useful for data science and machine learning

**What reviewers complain about**

- 🐛 Bugs and stability issues
- 🔋 Battery drain and overheating
- 🔒 Unauthorized access to photo library
- 🐛 Issues with importing certain libraries like SciPy and Scikit-learn

**Reported bugs**

- Crashes and freezes
- Issues with saving and loading notebooks
- Problems with running scripts and notebooks
- Incompatibility with newer iOS versions

**Requested features**

- Add support for SciPy, Scikit-learn, and other scientific computing libraries
- Improve file management and integration with cloud storage services
- Implement split-screen or multi-window support
- Add more keyboard shortcuts and customization options
- Improve error handling and provide more detailed error messages


### ConnectBox

[App page](https://appshunter.io/ios/app/connectbox-app-dev-tool/id1567375667)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Carnets free?

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

### Is ConnectBox free?

ConnectBox costs $0.99, with no in-app purchases.

### Do Carnets or ConnectBox have ads?

Neither Carnets nor ConnectBox shows ads.

### Which is updated more often, Carnets or ConnectBox?

Carnets ships an update monthly, and ConnectBox every 3 weeks. Most recently, Carnets was updated on September 24, 2026 and ConnectBox on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*