The app must highlight areas for improvement from all phases of the hen, from start production to production. slaughter (stay in the barn, catching and loading of the hens, transport to the slaughterhouse and the slaughter procedure itself). The ultimate goal is to improve the welfare of the hens from all housing systems through the monitoring scores. After all, it will then be possible to benchmark and react quickly. Desired actions for the future can be identified depending on the set limit values.