An electronic apparatus and controlling method thereof is provided. The electronic apparatus includes a processor configured to, based on receipt of a command to execute an application, execute the application based on the boosting level information, based on a difference between a loading time according to the application being executed and a reference loading time being equal to or greater than a threshold value, identify another boosting level information of the electronic apparatus based on the reference loading time, and update the stored boosting level information to the identified other boosting level information.