# STUDIO QUATRE vs Kor

The clearest difference is update cadence: Kor at every 10 days against STUDIO QUATRE's every 18 months. Kor also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

STUDIO QUATRE ships an update every 18 months, Kor every 10 days. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | STUDIO QUATRE | Kor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 18 months | **Every 10 days** |
| Size | 39 MB | 75 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Logan THENARD](https://appshunter.io/developer/1853006774) | [Kor.care](https://appshunter.io/developer/1776683910) |

## What reviewers say

### STUDIO QUATRE

[App page](https://appshunter.io/ios/app/studio-quatre/id6466744865)

**In-app purchases:** none


### Kor

[App page](https://appshunter.io/ios/app/kor/id6737782765)

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

**In-app purchases:** none


## Frequently asked questions

### Is STUDIO QUATRE free?

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

### Is Kor free?

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

### Which is updated more often, STUDIO QUATRE or Kor?

STUDIO QUATRE ships an update every 18 months, and Kor every 10 days. Most recently, STUDIO QUATRE was updated on October 19, 2026 and Kor on October 8, 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.*