The Seatninja Host App can be downloaded for free from The Apple iPad App Store. The App is developed for iOS and must be run on a newer generation iPad (iPad Pro series, iPad Air series, iPad Mini (gen 4+), or iPad (2016) with iOS 11 or greater.
Login credentials are supplied by Seatninja to paid subscribers. These credentials include an email, password and a location phone number (which is entered without any dashes). The security clearances granted to users are Host, Manager or Administrator.