An image testing apparatus compares output image data of an image which has been output onto a recording medium and original image data which has been read from an original and is used to output the image onto the recording medium, and determines an output state of the image. The image testing apparatus includes an output mode obtaining part configured to obtain an output mode designated by a user; a testing item setting part configured to set, according to the output mode obtained by the output mode obtaining part, an item for which the output state of the image is changed, as a testing item; and a testing part configured to test the output state of the image for the testing item which is set by the testing item setting part.