# IZAR vs Koolchdz

The clearest difference is ads: IZAR at none against Koolchdz's shown. IZAR also leads on iOS requirement (13.0 vs 15.0). Koolchdz's advantage is update cadence (every 2 weeks vs every 3 months). On price, 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.

IZAR ships an update every 3 months, Koolchdz every 2 weeks. The most recent releases landed on October 3, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IZAR | Koolchdz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 38 MB | 38 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Bentaimia Haddadi](https://appshunter.io/developer/1806036767) | [zacharie djaouad namane](https://appshunter.io/developer/1893688848) |

## What reviewers say

### IZAR

[App page](https://appshunter.io/ios/app/izar/id6744096270)

**Features:** macOS Compatibility

**In-app purchases:** none


### Koolchdz

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

**In-app purchases:** none


## Frequently asked questions

### Is IZAR free?

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

### Is Koolchdz free?

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

### Do IZAR or Koolchdz have ads?

Koolchdz shows ads; IZAR does not.

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

IZAR ships an update every 3 months, and Koolchdz every 2 weeks. Most recently, IZAR was updated on October 3, 2026 and Koolchdz on October 13, 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.*