Yourstop is both a website and app, it gives times for buses across the entire west midlands region.
To run it go to https://yourstop.info
For background information see http://westmidlandsbususers.co.uk/2019/04/yourstop-a-new-transport-app-for-the-west-midlands/
Any issues or comments can be logged here.
Updates to the app will appear on its FB page at https://www.facebook.com/YourStop-485305331845608/