A display apparatus includes a display module, a support configured to rotate and support the display module, and a mounting device configured to mount a mobile device on the display module. The mobile device is configured to be paired with the display module. The mounting device includes a mounting portion including a mounting groove having a shape corresponding to a frame forming borders of the display module. The mounting portion is coupled to the frame when the frame is inserted into the mounting groove, and an accommodating portion is positioned below the mounting portion, and accommodates the mobile device such that the mobile device is mounted on the display module.