Provided is a programmable display apparatus that can permit access to an application through facial authentication, and can display a screen corresponding to an authenticated user after the access is permitted. The programmable display apparatus stores feature data of faces of a plurality of users and screen data for displaying a plurality of screens. The programmable display apparatus performs facial authentication based on image data of a user obtained through image capture and on the feature data. The programmable display apparatus permits a user to access the application if the user has been authenticated. Upon permitting the access, the programmable display apparatus displays, on a display, a screen corresponding to the authenticated user from among the plurality of screens.