A display apparatus and a control method thereof are provided. The display apparatus includes an image processor configured to process an image signal, a display unit configured to display an image based on the image signal, a storage section configured to store Graphic User Interface (GUI) information about a GUI to be displayed in a mobile device for controlling the display apparatus, a web server configured to communicate with a web browser of the mobile device, and a controller configured to transmit the stored GUI information to the mobile device if the web browser of the mobile device requests the GUI information through the web server, and to operatively control the display apparatus in accordance with control information received from the mobile device.