Carnets vs PixelsMeasure
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Carnets
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.
- 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
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Jupyter notebooks are a powerful tool used in education and research. You can write small snippets of Python code and observe the result on screen, combine with paragraphs of text, using Markdown. Carnets provides a complete, stand-alone, implementation of Jupyter notebooks. Everything runs on your device, using the embedded Python interpreter; you do not need an internet connection. You can chose between Jupyter notebooks and the more advance Jupyterlab using Settings. Numpy, Sympy, Matplotlib, Pandas, lxml, bokeh, nbextensions (including ipywidgets) and many other packages are pre-installed. To see the full list of installed packages, type "%pip list" in a code window. You can add more packages using "%pip install packageName", but only if they are pure Python. If you need scipy, seaborn or scikit-learn, please use our other App, "Carnets - Jupyter (with scipy)". You can share your notebooks with other apps and also open notebooks or directories managed by other apps. Partial list of installed packages: astropy, babel, bokeh, cryptography, cvxopt, Fiona, geopandas, geopy, lxml, matplotlib, numpy, openCV, pandas, pillow, pyFFTW, pyproj, rasterio, regex, shapely, sympy, wordcloud.
PixelsMeasure
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.
- Distance Measurement
- Object Measurement
- Cross Mode Alignment
- Tolerance Mode
- Screenshot Capture
- Pin Dimensions
- Undo/Redo Functionality
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PixelsMeasure: The Ultimate On-Screen Measurement Tool Unlock unparalleled precision with PixelsMeasure, designed to measure anything on your screen. Offering unmatched speed and efficiency, PixelsMeasure equips you with advanced tools to effortlessly and accurately measure any screen element. Key Features and Functionalities: • Distance Measurement (Free): Quickly determine the distance between on-screen elements, essential for precision in design and analysis. • Object Measurement: Simply drag to automatically identify object boundaries, capturing dimensions with ease and accuracy. • Cross Mode: Instantly align all screen objects while displaying your current cursor position for enhanced precision. • Tolerance Mode: Fine-tune measurement tolerance to suit your needs, ensuring accuracy even with shadows or low-contrast elements. • Screenshot Capture: Seamlessly capture and share screenshots using system tools, simplifying teamwork and documentation. • Global Accessibility: PixelsMeasure supports multiple languages, catering to users worldwide and enhancing usability. • Pin Dimensions: Keep dimensions visible on-screen for easy reference during complex tasks. • User-Friendly Editing: Easily undo and redo measurements, maintaining flexibility and control over your projects. Special Offer: Limited-Time Free Trial and Exclusive Discounts Embark on your precision journey with a full-featured free trial of PixelsMeasure for 1 to 2 weeks. Experience the app’s powerful capabilities at no cost and witness transformative efficiency in your workflow. Upgrade Options – Unlock More Value: • Basic Measurement (Free): Start with essential measurement features and discover the comprehensive power of PixelsMeasure. • Lifetime Purchase Support: Maximize your investment with our lifetime purchase option—enjoy perpetual access to all premium features with a single payment, eliminating recurring costs. • Limited-Time 50% Discount: Act now to take advantage of an exclusive 50% discount on our lifetime purchase option. This compelling offer provides substantial savings and uninterrupted access to unmatched measurement tools. Seize this opportunity to elevate your measurement experience with PixelsMeasure! Empower your visual workspace with unparalleled precision and efficiency through these exceptional upgrade offers. Terms of Service: https://pixelsmeasure.com/#/terms-of-service Privacy Policy: https://pixelsmeasure.com/#/privacy
Screenshots
Verdict
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.
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. 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.
| Parameter | Carnets | PixelsMeasure |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (323 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 78.7% of reviews — better | 25.0% of reviews |
| Number of ratings | 323 — better | 2 |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | #105 — better | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1.4 GB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Nicolas Holzschuch | 东东 张 |
Customer experience
Carnets
PixelsMeasure
Bugs and requests
Carnets
Reported bugs
4 issues- Crashes and freezes
- Issues with saving and loading notebooks
- Problems with running scripts and notebooks
- Incompatibility with newer iOS versions
Requested features
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Carnets
No in-app purchases
PixelsMeasure
- Weekly3 Days trial$0.997 Days
- Monthly7 Days trial$1.991 Month
- Yearly14 Days trial$12.991 Year
- Lifetime Membership$39.99









