Here's what you can do with this app, and Aroma Retail's Scent Machine: - Add and manage multiple machines. - Operate your machine from anywhere. - Program the machine just like you would a thermostat. - Set the days and times to scent your space. - Set the intensity and fan speed. - Check the fragrance oil level. - Override settings to increase scent for a gathering. - Override settings to shut off when you're away on vacation.