# Dzairzone vs Koolchdz

The clearest difference is update cadence: Koolchdz at every 2 weeks against Dzairzone's every 4 months. Koolchdz also leads on iOS requirement (15.0 vs 18.4). 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.

Dzairzone ships an update every 4 months, Koolchdz every 2 weeks. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Dzairzone | Koolchdz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 38 MB | 38 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Dzairzone](https://appshunter.io/developer/1828893816) | [zacharie djaouad namane](https://appshunter.io/developer/1893688848) |

## What reviewers say

### Dzairzone

[App page](https://appshunter.io/ios/app/dzairzone/id6749142358)

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

**In-app purchases:** none


### Koolchdz

[App page](https://appshunter.io/ios/app/koolchdz/id6754219587)

**In-app purchases:** none


## Frequently asked questions

### Is Dzairzone free?

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

### Is Koolchdz free?

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

### Do Dzairzone or Koolchdz have ads?

Both Dzairzone and Koolchdz show ads.

### Which is updated more often, Dzairzone or Koolchdz?

Dzairzone ships an update every 4 months, and Koolchdz every 2 weeks. Most recently, Dzairzone was updated on September 7, 2026 and Koolchdz on September 9, 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.*