Abstract: Provided is a service method and system for providing a service by associating an application store (Appstore) with a timeline. A service method configured as a computer may include providing an Appstore service; providing a download page for an application provided by the Appstore; storing and maintaining information about a user registered to the Appstore service and friend information between the user and individuals having set a personal relationship with the user; enabling the user to select an application from among the applications provided by the Appstore and to upload a post through the Appstore service; and producing display content for a set of timelines, including a timeline of the user and timelines of the individuals having a set a personal relationship with the user, based on a user selection of the application and an uploading of a post relating to the selected application.