A display apparatus includes a display module, a supporting device provided to support and turn the display module, and a holding device provided for a mobile device to be coupled to the display module. The supporting device rotatably supports the display module and includes a motor providing a driving force to turn the display module. The holding device supports a mobile device so that the mobile device may be coupled to the display module. The holding device comprises a mounting part provided to be mounted onto the display module and a holder rotatably coupled to the mounting part and provided to support the mobile device.