Various embodiments may provide an intelligent server. The intelligent server includes a communication circuit, and at least one processor, wherein the at least one processor is configured to receive a user utterance from an electronic device via the communication circuit, identify a first category associated with the received user utterance, among the plurality of categories stored in the intelligent server, identify the plurality of voice assistant applications included in the first category, transmit information on the plurality of voice assistant applications to the electronic device, receive, from the electronic device, information about a first application, which is identified to satisfy a designated condition included in the information about the plurality of voice assistant applications based on at least one parameter associated with a function corresponding to the user utterance, identify a first voice assistant app corresponding to the first application among the plurality of voice assistant applications by using the information about the first application, generate result information for performing the function corresponding to the user utterance by using the first voice assistant app, and transmit the generated result information to the electronic device.