A method for optimizing a UI of an application in an electronic device is provided. The method includes detecting, by the electronic device, at least one first application installed in the electronic device, determining, by the electronic device, at least one data item associated with at least one UI of the at least one first application to be modified, modifying, by the electronic device, the at least one data item associated with the at least one UI of the at least one first application based on a level of proficiency of a user with an already used application in the electronic device, and displaying, by the electronic device, the at least one UI with the at least one modified data item of the at least one first application.