The OSL app offers convenient access to purchasing single, daily, or 30-day season tickets for Oulu Region transport. With the ability to buy multiple tickets in one go, payment options include Visa, Visa Electron, Mastercard, mobile payment, or MobilePay. Upon purchase, tickets are instantly activated, displaying a QR code and remaining validity period. Simply present the QR code to board buses, facilitating seamless travel, including transfers.

Additionally, the app provides a travel guide and real-time bus location tracking on a map. Users can find nearby bus lines, stops, routes, and timetables, with the "Home" tab offering updates on service exceptions. The app is free to download and serves travelers in Ii, Kempele, Liminka, Lumijoki, Muhos, Oulu, and Tyrnävä.