GutenAPPetit is an Android application developed by DLS GmbH for their customers to easily order their lunch for school or catering for daycare from their smartphones. The app provides up-to-date information and nutritional advice to help customers make informed decisions. Additionally, users can make last-minute cancellations or changes to their orders and access their invoices.

The app's interface is clean and intuitive, making it easy to navigate. Customers can quickly browse through the available menu items and select their preferences. The app also allows users to save their favorite meals for quick reordering. Overall, GutenAPPetit is a convenient tool for busy parents and school staff to manage their catering needs.