The app is ideal for Architects, Builders, Carpenters, Constructions Workers, Contractor, Designers, DIY Enthusiasts, Engineers, Tradesmen and Woodworkers of all types and anyone looking to make common construction calculations, with speed, ease and accuracy. Chippy Tools can save you time and money, by reducing errors on site. It is a great tool for anyone who is looking to make common construction calculations, with speed, ease and accuracy.