The ALRS Mobile App for Apple iPhone allows ALRS authorized users to make and cancel their reservations. They can view all upcoming reservations made via the mobile app. Using the mobile app you can get map assistance to the assigned lodging site as well as call the site. Reservation and cancellation requests are kept in sync with the base ALRS system unit. Manual changes processed by a sites ART will appear on the mobile app at the same time a text message is sent advising of the change.