# Carnets vs Codex Claude

The clearest difference is review sentiment: Carnets at 78% against Codex Claude's 22%. Carnets also leads on in-app purchases (none vs 2) and rating (4.6 vs 4.2). Codex Claude's advantage is update cadence (every 8 days vs monthly). On price, ads, chart position and device support there is nothing between them.

Both are free to download. Codex Claude sells 2 in-app purchases, starting at $6.99 per 7 days. Carnets asks for nothing beyond the download.

Carnets holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Carnets has 316 ratings behind it against 61, so its average is the more settled of the two. Written reviews point the same way: 78% of Carnets's written reviews are positive against 22% of Codex Claude's.

Carnets ships an update monthly, Codex Claude every 8 days. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Carnets | Codex Claude |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (316 ratings)](https://appshunter.io/ios/app/carnets-jupyter/id1450994949/reviews)** | [4.2 (61 ratings)](https://appshunter.io/ios/app/codex-claude-website-builder/id6749557696/reviews) |
| Number of ratings | **316** | 61 |
| Positive reviews | **78.4% of reviews** | 22.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | #88 | **#87** |
| Size | 1.4 GB | 67 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [Tetiana Oliinyk](https://appshunter.io/developer/1816320217) |

## What reviewers say

### Carnets

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

**Currently charting:** #88 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


### Codex Claude

[App page](https://appshunter.io/ios/app/codex-claude-website-builder/id6749557696)

**Currently charting:** #87 Top Grossing · Developer Tools (US App Store)

Instantly generate custom code for websites, apps, and scripts using AI. This tool provides tailored code suggestions for various platforms and programming languages, making it ideal for developers and builders of all levels.

**Highlights:** Instant custom code generation, AI-powered code suggestions, Supports frontend, backend, mobile, and APIs, Generates app features, UI components, and logic, Supports multiple programming languages and frameworks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vibely AI Plus | $6.99 | per 7 days |
| Vibely AI Plus | $99.99 | per year |


## Frequently asked questions

### Is Carnets free?

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

### Is Codex Claude free?

Codex Claude is free to download, with in-app purchases available.

### Which has better reviews, Carnets or Codex Claude?

Carnets is rated higher. Carnets averages 4.6 out of 5 from 316 ratings, while Codex Claude averages 4.2 from 61 ratings.

### Do Carnets or Codex Claude have ads?

Neither Carnets nor Codex Claude shows ads.

### Which is updated more often, Carnets or Codex Claude?

Carnets ships an update monthly, and Codex Claude every 8 days. Most recently, Carnets was updated on October 15, 2026 and Codex Claude on October 14, 2026.

### Which is more popular, Carnets or Codex Claude?

Carnets currently peaks at #88 in the App Store charts, and Codex Claude at #87. Chart position reflects recent download velocity rather than total install base.

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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.*