Interbus is a free Android app developed by Servizi Informazioni that allows you to purchase and modify your bus tickets directly from your smartphone. The app is a convenient travel companion for those who frequently use Interbus services.

With Interbus, you can buy your next bus ticket and modify both the stops and times in case of any changes in your travel plan. You can also associate your Interbus subscription card with the app and purchase or modify your subscription directly from your smartphone. Additionally, the app's "retrieve booking" function allows you to modify the date and time of a ticket purchased from a reseller.

Overall, Interbus is a well-designed and user-friendly app that simplifies the process of buying and modifying bus tickets. It is a must-have for frequent Interbus travelers who want to make their travel experience smoother and more convenient.