An apparatus includes an acquisition unit configured to acquire an image group including a plurality of images, a specifying unit configured to specify feature information of each of the images, a generation unit configured to generate a plurality of layout candidates by arranging images selected from the acquired image group, an evaluation unit configured to evaluate each of the layout candidates generated by the generation unit based on a plurality of evaluation standards including an image evaluation based on the feature information of each image arranged in the layout candidate and an overall evaluation of the layout candidate, and a determination unit configured to select and determine a layout to be output from the plurality of layout candidates based on a result of evaluation by the evaluation unit.