Digitized window measurement via app: save time and costs

The Quadra Ligna app revolutionizes window renovation: simplified measurement, optimized user experience, seamless data synchronization

Quadra Ligna is an expert in renovating windows in architecturally valuable buildings. They renovate and glaze the original old building window and thus bring it back to life. In doing so, they rely on a combination of manual work and cutting-edge technologies, such as the use of a robot to precisely cut out window glass.

“The devedis team's proactive participation was a pleasure to work with.”

Jochen Ganz, owner, Quadra Ligna

Precision window renovation for historic buildings

An important prerequisite for precise work is the exact measurement of the windows. That is why Quadra Ligna employees measure every window on site down to the smallest detail. In the past, this required two people, but thanks to the innovative mobile app, it can now be done by one person.

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A person from behind holding a smartphone and looking at the Quadraligna app.

Focus on usability

The app was originally developed as a university project and is now being optimized and further developed by us. In doing so, we placed particular emphasis on usability and redesigned the user interface. In addition, we've added useful features such as validations, automatic calculations, and automatic saving of input values. This made the daily work of Quadra Ligna employees easier and saved a lot of time on recurring tasks.

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Data availability

The availability of data in structured form is also of great importance for Quadra Ligna. The measurement data from the windows is required for offers, glass orders, renovations and the robot and is therefore stored in the Google Cloud. Using the app, the data can be downloaded in the desired file format, which helps to improve the timeliness of the data and reduces manual processes.

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Our contribution

User interface redesign
Optimizing the user experience
Development of new functionalities based on Flutter
Bi-directional data synchronization with Google Cloud

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