A method for controlling a camera in a mobile device including a camera is provided. The method includes executing a first application related to the camera, turning the camera on in response to an execution of the first application, detecting a user's input related to a termination of the first application, determining whether the user's input is an Application (App) conversion event requesting an execution of a second application related to the camera, terminating the execution of the first application when the user's input is the App conversion event, and executing the second application, and terminating the execution of the first application when the user's input is not the App conversion event, and turning the camera off.