Comparison

Mobile Worker vs K

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mobile Worker

Features
Read full description

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.

About

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.

Highlights
  • Bluetooth access control
  • Hands-free entry
  • Manage visitor credentials
  • View door permissions
  • Long-range access mode
Features
Read full description

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

Mobile Worker4 screens
K4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Mobile Worker ships an update fortnightly, K every 3 months. The most recent releases landed on September 16, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
Mobile Worker versus K: the parameters behind the verdict, then further details
ParameterMobile WorkerK
PriceFreeFree
Rating—4.0 (4 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—4 — better
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.6
Further details — not scored
Size70 MB77 MB
Age rating4+4+
DeveloperDevinco ASFDI Matelec

In-app purchases

None

Mobile Worker

No in-app purchases

None

K

No in-app purchases

Questions

Is Mobile Worker free?
Mobile Worker is free to download, with no in-app purchases.
Is K free?
K is free to download, with no in-app purchases.
Do Mobile Worker or K have ads?
Neither Mobile Worker nor K shows ads.
Which is updated more often, Mobile Worker or K?
Mobile Worker ships an update fortnightly, and K every 3 months. Most recently, Mobile Worker was updated on September 16, 2026 and K on September 25, 2026.

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