You have access to all of your vehicle documentation through the Drum Bun app, making it simple and quick to scan them and keep track of several vehicles at once. Also, you can buy rovinieta, travel insurance, and other products directly from the app. You can set up alerts to keep you informed about the progress of your car, and you can store your documents in your account safely and securely. How to use the app? To begin with, install the free Drum Bun app. After that, you will have to sign up for an account, manage the necessary insurance and get a set of instructions to follow. In the next step, you will have to make a simple scan of your RCA insurance policy and the rest of your documents to have them all at hand. After that, you can choose the date for which you want the vignette to be valid.