An information providing method is provided, the method including acquiring a request information set by an electronic apparatus, transmitting a request information sub-set corresponding to at least a portion of the request information set to a reference server, transmitting the request information sub-set to a development server, receiving a first response set including a first response to the request information sub-set from the reference server, receiving a second response set including a second response to the request information sub-set from the development server, and providing comparison information of the first response set and the second response set.