TechAssistant 2.0 is a free Android application designed to provide essential service information for RATIONAL cooking systems, including iCombi Pro, iCombi Classic, iVario, SelfCookingCenter, CombiMaster Plus, and VarioCookingCenter. Users can log in with their RATIONAL ID to access a range of features that streamline the service process. Key functionalities include a global search for appliances and service parts, as well as a multifunction scanner that recognizes QR codes and barcodes for quick access to device-specific information and shopping carts.

The app's user-friendly interface includes a central overview with a tab bar for easy navigation. Users can filter device selections, access important documentation such as training materials and installation instructions, and manage their cart and profile. Additionally, TechAssistant 2.0 allows users to generate PINs and passwords for service levels, ensuring a comprehensive resource for service management on the go.