Mobile time tracking for the construction site

This is how easy it is to digitally track working hours on the construction via app

Digital Time tracking on the construction site – Your advantages

With our market-leading mobile Time tracking app, your colleagues on the job site can easily and intuitively record their times using a regular smartphone. The system automatically assigns the times to a construction site and transmits the data to your office in real time.

Minimization of errors & fast results

Offline usage on site is also possible

Simple & intuitive operation

Available for Android and iOS

Adaptable to your individual business agreements

How the Time tracking app for construction works

We have developed 123onsite from practice for practice to make your work easier!


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Save time & effort

Thanks to mobile time tracking, you can always see who is working on which construction site as well as what activities they are performing there, from anywhere. Daily, weekly and monthly reports are created automatically by 123onsite.


Minimize errors thanks to reliable results

You receive up-to-date and reliable information through the digital data and can use it immediately for payroll and the construction diary.


Record more hours in the day rate

With 123onsite, you also keep track of daily wages & directional work and can easily record hours on a virtual, digital timesheet.


Nothing but expenses?

Record expenses, travel costs and hotel stays easily via the 123onsite app and transfer the data directly to payroll.


Document the performance of subcontractors

You can also note the services of your subcontractors directly with 123onsite. This gives you a valuable indication of the actual effort required for fixed-price contracts.

Mobile time tracking for the construction site

– how do i benefit from the app?


All acquisition data always at a glance

With your personal access data you can log into your system at any time from anywhere and stay up-to-date.


GPS data if desired

If needed, you can save all your data with the appropriate GPS information as well as a timestamp.


Stationary acquisition via RFID

In addition to web capture, 123onsite also offers capture via stationary tablets and RFID chips (cards or key fobs).

Get started today for free with the Time tracking app for construction sites

Simply choose the Staff module and you will have the Time tracking feature available in all three tiers in different versions.



Digital recording of all important employee data, such as working hours, applications or qualifications. Digitally and mobile via app.

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Lars Volquardsen Geschäftsführer der Edlef Jensen GmbH
Edlef Jensen GmbH Logo

Lars Volquardsen

Managing director Edlef Jensen

Initially, colleagues were a bit skeptical. However, they quickly realized that entering hours via app is more convenient than filling out timesheets manually

Edlef Jensen GmbH

Construction company

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Paperless in the office –
start now for free

It’s simple: Through our apps, you reduce the effort of your data entry, have an overview at any time during your project and can check your calculation afterwards.
Even easier: With us you save time and money.


Sign up for 123onsite for free


Enter your company and your employees


Collect data and enjoy your digitized construction site

Exciting content about the
Time tracking app from 123onsite


Blog articles

Recording of working hours in the construction industry is already mandatory nowadays. We’ll tell you what you need to know and pay attention to here.


123onsite Staff

Time tracking on the construction site: it couldn’t be easier with 123onsite Staff.


Success story

Intrigued by the ease of use and quick transfer of data from the construction site to the office, MST chose to use software from 123onsites

Things to know about digital Time tracking on construction sites

Your construction site is once again in the middle of a dead zone? That’s not a problem. After all, your employees can also use time tracking for construction in an offline mode. The data is stored and automatically transmitted to the server the next time the user connects to the internet.

123onsite is available for the Android and iOS operating systems in the Google Play Store or the Apple App Store and can be used with any smartphone. To use the collected data in the office via 123Office, you need a computer with internet access and a web browser.

Ask us your questions about mobile Time tracking for the construction site