Sakarya Ulaşım-Sakus is a travel and navigation application available on the iPhone platform. Users can create virtual cards to use public transportation. The app provides information on public transport vehicles, stops, and schedules, allowing users to load and view balances on city public transport cards.

This application enables users to access the necessary transportation information on their mobile devices. Permissions include accessing public transportation, internet communication for central system interaction, NFC for reading Passenger Card IDs, vibration for NFC card reading on supported devices, managing sleep mode for balance limit alerts, location for displaying location information on the map, and Google Cloud Messaging for balance checks to minimize device charging and internet usage.