# Carnets vs MDViewer

The clearest difference is update cadence: MDViewer at every 3 days against Carnets's monthly. MDViewer also leads on review sentiment (100% vs 78%). Carnets's advantage is chart position (#81 vs unranked) and iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Carnets ships an update monthly, MDViewer every 3 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Carnets | MDViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (316 ratings)](https://appshunter.io/ios/app/carnets-jupyter/id1450994949/reviews)** | — |
| Number of ratings | **316** | — |
| Positive reviews | 78.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Best chart rank | **#81** | — |
| Size | 1.4 GB | 8 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [Crocopliers](https://appshunter.io/developer/1896397771) |

## What reviewers say

### Carnets

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

**Currently charting:** #81 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


### MDViewer

[App page](https://appshunter.io/ios/app/mdviewer-quick-markdown/id6809376439)

Instantly view Markdown, Mermaid diagrams, and JSON files with this native iOS app. It offers syntax highlighting for over 180 languages, LaTeX math rendering, and PDF export. Your documents remain private and accessible offline.

**Highlights:** Markdown viewing with GFM support, Mermaid diagram rendering, Syntax highlighting for 180+ languages, LaTeX math formula support, Interactive JSON viewer, PDF export, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Carnets free?

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

### Is MDViewer free?

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

### Do Carnets or MDViewer have ads?

Neither Carnets nor MDViewer shows ads.

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

Carnets ships an update monthly, and MDViewer every 3 days. Most recently, Carnets was updated on October 18, 2026 and MDViewer on October 9, 2026.

---

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