Having correct light intensity in a cattle is very crucial in maximising the financial gain. This app measures this using the light sensors in the camera of phone. Lighting Check app provides a set of standards for various locations in a cattle farm, to help the farmer have a better understanding that on each location how the lighting of the area is close to standard or not. The accuracy of this app is in direct relation with the quality of the camera of your phone. Thus, newer iPhones could provide more accurate reading of the lighting intensity. In order to maximise the quality of the output, this app only uses the camera of the back of your iPhone.