Time on Tools is a mobile application designed specifically for professionals in the engineering and construction fields. This tool facilitates a detailed and accurate record of the activities carried out in the field, optimizing the management of time and resources. Through an intuitive interface, the application allows users to record, monitor and analyze the key events of their projects, using the Time on Tools methodology to focus their efforts on activities that generate value. This not only improves productivity in the workplace, but also promotes a process of continuous improvement, ensuring efficient and strategic monitoring of progress on each project.