This program is for creating plans and schemes of premises. At the same time, there is no need to move furniture and use expensive laser distance meters. It is enough to set the location of the corners in the rooms and iPhone, thanks to the built-in gyroscope and gps navigator, will calculate the parameters of the walls and draw a diagram. The program also allows you to create an interactive floor plan and publish it on the Internet or save it in PDF and JPG format. Detailed information and a detailed description are available on the sensopia developer website. The program is indispensable for planning renovations, and it is very nice that now it is available in the AppStore for free. Works only under iPhone 4. Install from AppStore: MagicPlan