Comparison

Carnets vs Python3 Charm

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Carnets

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
Read full description

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.

About

Python3 Charm

This app allows you to develop and run Python 3 code on your mobile device. It includes a basic Python environment, code highlighting, and support for PyPI modules. Learn machine learning, deep learning, and data science with built-in courses.

Highlights
  • Python 3 execution on mobile
  • Code highlighting
  • PyPI module support with pip
  • Machine learning & deep learning courses
  • Console output and input
  • Customizable themes and font size
Features
Read full description

Python3 Charm is a software development tool that supports and runs Python3 on mobile devices, with built-in integration of Python basic environment. Professional mobile phone programming development software. Rich in programming foundation, machine learning, deep learning, data science and other courses. Function introduction: Code highlight, more intuitive Support split screen display in horizontal screen mode Console output and input, support the output of specific error stack information Theme and font size settings, moving cursor, easy to read, easy to operate Support PyPI module, built-in integrated pip function ------------------------------------------------ Python3 Charm Advanced Version: 【Unlimited code runs】 【Unlimited use of PyPI function】 【Unlimited use of modules】 【Support custom theme setting】 【Continuous access to more advanced functions】 Support free trial for 3 days. After the trial period, this subscription will be renewed automatically for $[4.49]/month unless you actively close or cancel the subscription. You will be charged in your local currency at the prevailing exchange rate as defined by iTunes .The account will confirm and charge you for renewal within 24 hours before the end of the current subscription period. Payment will be deducted from iTunes account upon confirmation of subscription. You can cancel your subscription at any time. You can cancel it at least 24 hours before the trial period or the end of the subscription period to avoid deduction. Any unused part of the trial period after payment will be discarded. After purchase, you can go to the AppStore account settings to manage or cancel your subscription. Privacy policy: https://phoenixlab.ltd/protocols/en/PrivacyStatement.html Terms of Use: https://phoenixlab.ltd/protocols/en/TermsOfUse.html

Screenshots

Carnets4 screens
Python3 Charm4 screens

Verdict

The call

The clearest difference is in-app purchases: Carnets at none against Python3 Charm's 1. Carnets also leads on review sentiment (78% vs 52%) and chart position (#95 vs unranked). Python3 Charm's advantage is iOS requirement (11.0 vs 14.0). On price, rating, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Python3 Charm sells 1 in-app purchase, starting at $4.49 per month. Carnets asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Carnets holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 316 and 303 respectively. Written reviews point the same way: 78% of Carnets's written reviews are positive against 52% of Python3 Charm's.

UpkeepUpdate frequency

Carnets ships an update monthly, Python3 Charm every 2 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 5 level
Carnets versus Python3 Charm: the parameters behind the verdict, then further details
ParameterCarnetsPython3 Charm
PriceFreeFree
Rating4.6 (316 ratings) — better4.4 (303 ratings)
Positive reviews78.4% of reviews — better52.2% of reviews
Number of ratings316 — better303
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#95 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size1.4 GB49 MB
Age rating17+4+
DeveloperNicolas HolzschuchPhoenix Lab Technology Co., Ltd.

Customer experience

Carnets

All ratings316 ratings
Positive88.6%
Neutral4.1%
Negative7.3%
Written reviews305 reviews
Positive78.4%
Neutral6.9%
Negative14.8%

Python3 Charm

All ratings303 ratings
Positive86.1%
Neutral2.3%
Negative11.6%
Written reviews69 reviews
Positive52.2%
Neutral1.4%
Negative46.4%

User reviews

Carnets

From 316 App Store ratings

What we love

  • 🚀 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

Room to improve

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

Python3 Charm

From 303 App Store ratings

What we love

  • 👍 Good for learning Python
  • 👍 Great code editor
  • 👍 Suitable for programmers switching to Python
  • 👍 Perfect
  • 👍 Very good app

Room to improve

  • 💰 Requires payment for full use
  • 💰 Limited free usage
  • 💰 Expensive subscription
  • 💰 Money grab
  • 💰 Useless without premium

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

Python3 Charm

Reported bugs

5 issues
  • Cannot download many libraries
  • Syntax highlighting issues
  • App crashes on startup
  • Numpy library not working
  • Cannot share code to other sites

Requested features

5 requests
  • Import/export local files
  • Add more free features
  • More libraries available
  • Explanation/tutorial for complex app
  • API or source code library for Python

In-app purchases

None

Carnets

No in-app purchases

1 purchases

Python3 Charm

Subscriptions1
  • Python3 Charm Advanced Version3 Days trial$4.491 Month

Questions

Is Carnets free?
Carnets is free to download, with no in-app purchases.
Is Python3 Charm free?
Python3 Charm is free to download, with in-app purchases available.
Which has better reviews, Carnets or Python3 Charm?
Carnets is rated higher. Carnets averages 4.6 out of 5 from 316 ratings, while Python3 Charm averages 4.4 from 303 ratings.
Do Carnets or Python3 Charm have ads?
Neither Carnets nor Python3 Charm shows ads.
Which is updated more often, Carnets or Python3 Charm?
Carnets ships an update monthly, and Python3 Charm every 2 months. Most recently, Carnets was updated on September 24, 2026 and Python3 Charm on September 23, 2026.

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