A method of managing a plurality of applications executed on an electronic device is provided. The method includes, based on a first external input regarding at least one application from among the plurality of applications, updating mode of the at least one application from a non-work mode to a work mode, based on the first external input, updating mode of another application other than the at least one application from a work mode to a non-work mode, and displaying a work time regarding the at least one application that is determined based on at least one of information indicating a time point at which the first external input is obtained and information indicating a time point at which the mode of the at least one application is updated from the non-work mode to the work mode.