# Python3 Charm vs Umbra

The clearest difference is update cadence: Umbra at every 3 weeks against Python3 Charm's every 2 months. Python3 Charm's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Python3 Charm sells 1 in-app purchase, starting at $4.49 per month and Umbra sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Python3 Charm ships an update every 2 months, Umbra every 3 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Python3 Charm | Umbra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (303 ratings)](https://appshunter.io/ios/app/python3-charm-ai-leaning/id1552134957/reviews)** | — |
| Number of ratings | **303** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 31 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phoenix Lab Technology Co., Ltd.](https://appshunter.io/developer/1441899762) | [Cor Meum](https://appshunter.io/developer/1837976899) |

## What reviewers say

### Python3 Charm

[App page](https://appshunter.io/ios/app/python3-charm-ai-leaning/id1552134957)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Python3 Charm Advanced Version | $4.49 | per month |

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


### Umbra

[App page](https://appshunter.io/ios/app/umbra/id6755661783)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Umbra Premium Monthly | $2.99 | per month |
| Umbra Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Python3 Charm free?

Python3 Charm is free to download, with in-app purchases available.

### Is Umbra free?

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

### Do Python3 Charm or Umbra have ads?

Neither Python3 Charm nor Umbra shows ads.

### Which is updated more often, Python3 Charm or Umbra?

Python3 Charm ships an update every 2 months, and Umbra every 3 weeks. Most recently, Python3 Charm was updated on September 23, 2026 and Umbra on September 22, 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.*