An application is installed on a device that includes a user interface comprising multiple elements organized in a hierarchy. The application communicates with an inspector tool that accesses the hierarchy. The inspector tool may be integrated into the application or separate from the application. During execution of the application, the inspector identifies an element in the hierarchy and presents information regarding the element. For example, a display region corresponding to the element may be highlighted or text regarding the element may be displayed. The hierarchy may be navigated by selection of items in the user interface itself, by selection of an item in the displayed information, by directional inputs, or any suitable combination thereof. Information displayed in the inspector may be configured by the application based on the identified element.