Final answer:
Mobile apps are available to provide real-time bus information, with some being global services like Maps and others being local transit authority apps.
Step-by-step explanation:
Yes, there are mobile apps available that provide real-time bus information. These apps can greatly assist users in planning their public transportation journeys by offering up-to-date schedules, arrival times, and route changes. Although the exact app may vary depending on your location and the local transit authority, popular global services like Maps often integrate this kind of data. Additionally, many cities and regions have their own dedicated apps for local public transportation, which may provide even more detailed and specific information.