An information terminal, comprising: a data storage to store a plurality of types of content data and update information associated with the respective types of content data; an information manager to monitor an update of the content data in the data storage, store, when the content data is updated, the update information associated with the updated content data in the data storage, and read out, during a predetermined screen display state, the update information associated with the updated content data from the data storage in a chronological order of the updates of the content data; and a display controller to arrange the individual time-series update information that have been read out from the data storage by the information manager on a plurality of predetermined display objects respectively corresponding thereto, and align and display the predetermined display objects on which the update information are arranged individually on a screen in the chronological order of the update information the predetermined display objects being tiles or cards containing the update information and an indication of a program to which the content data corresponds, the update information including a brief content of the update of the content data; wherein the information manager reads out, when a filtering instruction that requests update information associated with the same type of content data is input by a user via a user operation input section, the update information associated with the same type of content data from the data storage in the chronological order of the updates every time the filtering instruction is input, wherein the display controller arranges the individual time-series update information that have been read out from the data storage by the information manager and are associated with the same type of content data on the plurality of predetermined display objects, and switches the alignment display of the plurality of predetermined display objects on which the update information are arranged individually every time the filtering instruction is input, and wherein the user operation input section comprises a touch panel and the filtering instruction input comprises a predetermined gesture operation of the user on the touch panel. a data storage to store a plurality of types of content data and update information associated with the respective types of content data; an information manager to monitor an update of the content data in the data storage, store, when the content data is updated, the update information associated with the updated content data in the data storage, and read out, during a predetermined screen display state, the update information associated with the updated content data from the data storage in a chronological order of the updates of the content data; and a display controller to arrange the individual time-series update information that have been read out from the data storage by the information manager on a plurality of predetermined display objects respectively corresponding thereto, and align and display the predetermined display objects on which the update information are arranged individually on a screen in the chronological order of the update information the predetermined display objects being tiles or cards containing the update information and an indication of a program to which the content data corresponds, the update information including a brief content of the update of the content data; wherein the information manager reads out, when a filtering instruction that requests update information associated with the same type of content data is input by a user via a user operation input section, the update information associated with the same type of content data from the data storage in the chronological order of the updates every time the filtering instruction is input, wherein the display controller arranges the individual time-series update information that have been read out from the data storage by the information manager and are associated with the same type of content data on the plurality of predetermined display objects, and switches the alignment display of the plurality of predetermined display objects on which the update information are arranged individually every time the filtering instruction is input, and wherein the user operation input section comprises a touch panel and the filtering instruction input comprises a predetermined gesture operation of the user on the touch panel.