An information terminal enables a user to simply and easily confirm a plurality of pieces of update information handled by a plurality of various application programs without any troublesome operation. An information storage stores a plurality of different types of information. An update information storage stores a part of information updated in the information storages as update information associated with the respective types. An update information manager monitors an information update in the information storages and stores, when an information update is made in the information storages, the part of the updated information in the update information storage as update information associated with the respective types. Further, an information selector extracts the update information stored in the update information storage in time series and outputs them to display them on a screen.