Derbent is a free iPhone application developed by KRON OOO, designed to immerse users in the vibrant atmosphere of the city of Derbent. The app offers a user-friendly interface with up-to-date information, starting with a weather widget on the main screen for both residents and visitors.

Users are greeted with popular travel routes and guides, emphasizing convenience and detailed planning. The app's core concept is to help tourists choose efficient routes based on time, distances, and key attractions of Derbent. Additionally, the app provides a section dedicated to exploring places and landmarks, offering card-based listings with sorting and filtering options. Locations are displayed on a map, showing distances upon selection, along with detailed information, categories, and galleries for each place.