# Klien IT Systems vs CleanJack

The clearest difference is update cadence: Klien IT Systems at monthly against CleanJack's every 2 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.

Klien IT Systems ships an update monthly, CleanJack every 2 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | Klien IT Systems | CleanJack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 20 MB | 63 MB |
| Requires iOS | 15.6 | **15.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Klien-IT-Systems BV](https://appshunter.io/developer/1574773403) | [FlyingBytes Mobile B.V.](https://appshunter.io/developer/985573505) |

## What reviewers say

### Klien IT Systems

[App page](https://appshunter.io/ios/app/klien-it-systems/id1574773401)

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

**In-app purchases:** none


### CleanJack

[App page](https://appshunter.io/ios/app/cleanjack/id1585382916)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Klien IT Systems free?

Klien IT Systems is free to download, with no in-app purchases.

### Is CleanJack free?

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

### Do Klien IT Systems or CleanJack have ads?

Neither Klien IT Systems nor CleanJack shows ads.

### Which is updated more often, Klien IT Systems or CleanJack?

Klien IT Systems ships an update monthly, and CleanJack every 2 months. Most recently, Klien IT Systems was updated on September 14, 2026 and CleanJack on September 14, 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.*