ByDoor is an ideal condominium app for administrators, trustees and residents that will make your condo more secure, organized and modern! Save time, reduce costs and bring residents and trustees closer to the app that offers indispensable tools to simplify the day to day running of the condo. Benefits for Administrators and Trustees: - Simple and powerful Billing Ticket System. - Reduction in condominium costs by up to 35%. - Management of the condominium wherever you are on your cell phone.