# Rush Hour vs KOR Studio

The clearest difference is update cadence: Rush Hour at every 2 months against KOR Studio's every 6 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.

Rush Hour ships an update every 2 months, KOR Studio every 6 months. The most recent releases landed on September 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Rush Hour | KOR Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Size | 67 MB | 64 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Xoda Pty Ltd](https://appshunter.io/developer/1662306656) | [KOR Studio](https://appshunter.io/developer/1831194945) |

## What reviewers say

### Rush Hour

[App page](https://appshunter.io/ios/app/rush-hour/id1519936432)

**In-app purchases:** none


### KOR Studio

[App page](https://appshunter.io/ios/app/kor-studio/id6749565155)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rush Hour free?

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

### Is KOR Studio free?

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

### Do Rush Hour or KOR Studio have ads?

Neither Rush Hour nor KOR Studio shows ads.

### Which is updated more often, Rush Hour or KOR Studio?

Rush Hour ships an update every 2 months, and KOR Studio every 6 months. Most recently, Rush Hour was updated on September 16, 2026 and KOR Studio on September 26, 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.*