# Python Study Notes vs Python 3 エンジニア認定

The clearest difference is update cadence: Python 3 エンジニア認定 at every 5 days against Python Study Notes's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Python Study Notes ships an update every 3 months, Python 3 エンジニア認定 every 5 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Python Study Notes | Python 3 エンジニア認定 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 5 MB | 71 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Toru Kano](https://appshunter.io/developer/1839681467) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### Python Study Notes

[App page](https://appshunter.io/ios/app/python-study-notes/id6771088875)

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

**In-app purchases:** none


### Python 3 エンジニア認定

[App page](https://appshunter.io/ios/app/python-3/id6776381744)

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

**In-app purchases:** none


## Frequently asked questions

### Is Python Study Notes free?

Python Study Notes is free to download, with no in-app purchases.

### Is Python 3 エンジニア認定 free?

Python 3 エンジニア認定 is free to download, with no in-app purchases.

### Do Python Study Notes or Python 3 エンジニア認定 have ads?

Neither Python Study Notes nor Python 3 エンジニア認定 shows ads.

### Which is updated more often, Python Study Notes or Python 3 エンジニア認定?

Python Study Notes ships an update every 3 months, and Python 3 エンジニア認定 every 5 days. Most recently, Python Study Notes was updated on October 31, 2026 and Python 3 エンジニア認定 on October 28, 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.*