# Carnets vs PixelsMeasure

The clearest difference is review sentiment: Carnets at 79% against PixelsMeasure's 25%. Carnets also leads on rating (4.6 vs 1.0) and in-app purchases (none vs 4). PixelsMeasure's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. PixelsMeasure sells 4 in-app purchases, starting at $0.99 per 7 days. Carnets asks for nothing beyond the download.

Carnets holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Carnets has 323 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Carnets's written reviews are positive against 25% of PixelsMeasure's.

Carnets ships an update every 2 months, PixelsMeasure fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Carnets | PixelsMeasure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (323 ratings)](https://appshunter.io/ios/app/carnets-jupyter/id1450994949/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/pixelsmeasure/id1638740542/reviews) |
| Number of ratings | **323** | 2 |
| Positive reviews | **78.7% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#105** | — |
| Size | 1.4 GB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [东东 张](https://appshunter.io/developer/1637022692) |

## What reviewers say

### Carnets

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

**Currently charting:** #105 Top Free · Developer Tools (US App Store)

This app provides a standalone Jupyter notebook environment for writing and executing code snippets, combining them with text and Markdown. It runs entirely on your device, offering offline access to pre-installed scientific and data science packages. Share and open notebooks with other applications.

**Highlights:** Standalone Jupyter notebook implementation, Offline execution with embedded Python, Pre-installed scientific packages (NumPy, Pandas, Matplotlib), Support for Jupyterlab, Package management via %pip, Notebook sharing and import/export

**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


### PixelsMeasure

[App page](https://appshunter.io/ios/app/pixelsmeasure/id1638740542)

This tool offers precise on-screen measurements for design and analysis. It features distance and object measurement, alignment tools, and screenshot capture for efficient workflow. A free trial is available, with options for basic free features or a lifetime purchase.

**Highlights:** Distance Measurement, Object Measurement, Cross Mode Alignment, Tolerance Mode, Screenshot Capture, Pin Dimensions, Undo/Redo Functionality

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Yearly | $12.99 | per year |
| Lifetime Membership | $39.99 | one-time |


## Frequently asked questions

### Is Carnets free?

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

### Is PixelsMeasure free?

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

### Which has better reviews, Carnets or PixelsMeasure?

Carnets is rated higher. Carnets averages 4.6 out of 5 from 323 ratings, while PixelsMeasure averages 1.0 from 2 ratings.

### Do Carnets or PixelsMeasure have ads?

Neither Carnets nor PixelsMeasure shows ads.

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

Carnets ships an update every 2 months, and PixelsMeasure fortnightly. Most recently, Carnets was updated on November 3, 2026 and PixelsMeasure on November 3, 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.*