The present disclosure relates to an apparatus and method for selecting a preloading application by considering a user pattern of an electronic device and for determining a preloading level. The electronic device according to the present disclosure includes a data management unit for determining a score of an application, and an application selection unit for selecting a preloading application based on the score of the application. In addition, the electronic device may further include a preloading level determination unit for determining a preloading level based on a variable indicating a state of the electronic device with respect to the selected preloading target application and the score.