Provided is an image displaying apparatus including a display configured to display a first image; a checker configured to check a correlation between the first image and a second image by analyzing the first and second images; a determiner configured to determine a change effect to be applied when the display is changed from a state of displaying the first image to a state of displaying the second image, based on the correlation; and a changer configured to change an image displayed on the display from the first image to the second image by applying the change effect.