Otto is an Android app developed by Otto Mobility AS that falls under the Travel & Navigation category. It is a free app that allows users to register using BankID and choose from various vehicles for their transportation needs. The app acts as a key for the selected vehicle throughout the rental period, providing a seamless experience.

The app offers a range of vehicles, including vans, family cars, and smaller cars, ensuring that users can choose one that suits their needs perfectly. With the app, users can easily book a vehicle, check its availability, and start their journey. The app is easy to use and provides a hassle-free car sharing experience.