Klien IT Systems vs CleanJack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Klien IT Systems
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With the Klien IT app, every on-site employee has instant access to all the information needed to carry out their cleaning tasks smoothly. From viewing a live schedule and clocking in and out via GPS, to requesting time off and accessing important documents – everything is right at their fingertips. Since the app is available in any preferred language, communication becomes effortless. Have an important announcement? Share it directly in the app, and all employees are instantly informed. Paper timesheets and lost information are now truly a thing of the past. Everything managed through one user-friendly app.
CleanJack
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Time And Attendance Management System for Employees. The App requires device to have NFC which allows it to scan the tags to check-in and check-out at work location. Note: This App is mainly focused for iPhones, IPads lacks the NFC functionallity
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Klien IT Systems | CleanJack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.3 — better |
| Further details — not scored | ||
| Size | 20 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Klien-IT-Systems BV | FlyingBytes Mobile B.V. |
In-app purchases
Klien IT Systems
No in-app purchases
CleanJack
No in-app purchases
Questions
Is Klien IT Systems free?
Is CleanJack free?
Do Klien IT Systems or CleanJack have ads?
Which is updated more often, Klien IT Systems or CleanJack?
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