App Capture Control of Moisture of the Forest Institute for companies of the lumber category; SMEs sawmills, barracks. The application allows the capture of humidity control in the field and after the capture the data is sent to a web platform to perform statistical analysis for humidity control in SME sawmills. Controlling the moisture content allows the company to identify deviations in terms of product quality. It is possible to carry out the control on dry wood, both sawn and planed wood.