An apparatus and method for providing an image-based remote user interface (UI) using a web browser are provided. A server includes an user interface (UI) application which provides a dynamic image; a server communication module which, if the dynamic image is updated, transmits an image update event for the updated dynamic image; and a hypertext transfer protocol (HTTP) server which receives a request corresponding to the image update event and transmits the updated dynamic image in response to the received request. The method includes if an image in a remote user interface (UI) is updated, transmitting an image update event for the updated image; receiving a request corresponding to the image update event; and transmitting the updated image in response to the received request.