# Cat4School vs Stundio

The clearest difference is update cadence: Stundio at every 2 months against Cat4School's every 8 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.

Cat4School ships an update every 8 months, Stundio every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Cat4School | Stundio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 21 MB | 29 MB |
| Requires iOS | **15.0** | 15.5.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christoph Brecht](https://appshunter.io/developer/1456160595) | [Stundio Software](https://appshunter.io/developer/1691263089) |

## What reviewers say

### Cat4School

[App page](https://appshunter.io/ios/app/cat4school/id1478512295)

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

**In-app purchases:** none


### Stundio

[App page](https://appshunter.io/ios/app/stundio/id6740147540)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cat4School free?

Cat4School is free to download, with no in-app purchases.

### Is Stundio free?

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

### Do Cat4School or Stundio have ads?

Neither Cat4School nor Stundio shows ads.

### Which is updated more often, Cat4School or Stundio?

Cat4School ships an update every 8 months, and Stundio every 2 months. Most recently, Cat4School was updated on November 3, 2026 and Stundio on November 8, 2026.

---

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