Mobile Worker vs K
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mobile Worker
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Mobile Worker is a digital field management software for companies in the construction industry. The solution gives you a full overview of hours and projects with a new and user-friendly dashboard and an upgraded time tracking functionality. Our application also has modules as forms, resource-planner, and document sharing amongst some. The Mobile Worker system supports multiple languages and consists of an application for mobile and tablet devices, as well as a project portal on the web. To use Mobile Worker, you must have a valid license.
K
This application provides a secure and convenient way to access your building using your smartphone. It offers hands-free entry and allows you to manage multiple access credentials for residents, visitors, or staff.
- Bluetooth access control
- Hands-free entry
- Manage visitor credentials
- View door permissions
- Long-range access mode
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The key app K-APP® is the perfect app to easily access your building. It uses Bluetooth® technology and can be considered as an additional or an alternative way to enter your residential or commercial asset. Get rid of your huge keyrings and download the key app K-APP® which will gather in a unique single app your credentials to enter your premises. The key app K-APP® offers several types of credentials for users whether they are visitors, holiday makers, residents or staff. It has been designed to be user-friendly and gives the opportunities to get a long range and hands-free access mode. In the key app K-APP®, you also have the choice to see all your door permissions in one shot or to only display the permitted doors within the Bluetooth® range of your smartphone. K-APP© works only with the readers from the Pulse range by FDI. Visit our website www.fdimatelec.com for more information.
Screenshots
Verdict
The clearest difference is update cadence: Mobile Worker at fortnightly against K's every 3 months. Mobile Worker also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.6). On price, ads and in-app purchases 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.
Mobile Worker ships an update fortnightly, K every 3 months. The most recent releases landed on September 16, 2026 and September 25, 2026 respectively.
| Parameter | Mobile Worker | K |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (4 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 18.6 |
| Further details — not scored | ||
| Size | 70 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Devinco AS | FDI Matelec |
In-app purchases
Mobile Worker
No in-app purchases
K
No in-app purchases





