An image displaying apparatus for displaying images and additional information is provided. The image displaying apparatus includes a display unit; an image data obtaining unit for obtaining image data of an image from a storage; an additional information obtaining unit for obtaining additional information; a display controller for displaying the image and additional information on the display unit in two display modes. In a first display mode, the additional information is semi-transparent or outlined as it overlaps the image, and in a second display mode, the additional information is highlighted and overlaps the image. The image displaying apparatus further includes a mode switching unit for signaling the display controller to switch between the first display mode and the second display mode. A related method is also provided.