Деловые Линии - Посылка is a mobile application designed to simplify sending packages and letters weighing up to 15 kg. The app allows users to arrange pickups from their location and have the items delivered directly to the recipient's door. With a quick login process, users can register via phone number or use their login credentials from the dellin.ru website. The app streamlines the order process into 4 simple steps, eliminating lengthy form filling. Users can input recipient details, addresses, item weight, specify delivery date and time, and manage their orders efficiently.

The app provides features to calculate shipping costs, delivery timelines, make online payments, and track orders using order numbers. Users can access all necessary information on their smartphones, including order history, real-time tracking, estimated arrival dates, and notifications on shipment status changes.