Does anyone know how the QB app works with QB online"

Hi cherylklemmer,

Welcome to the QuickBooks Community. The program is designed to help you streamline your work using the powerful features in the program. Rest assured, I'll be happy to share more details so you're on the track with your work.

The mobile app allows you manage your income and expenses the same way you do with web-browser. Once you've downloaded the mobile app to your phone, you can use the same login credentials you use on the web-browser in order to log in and manage your work. To learn more about the mobile app, I encourage you to check out this helpful article here as it provides more helpful info. You're more than welcome to ask other questions, I'm here to help steer you in the right direction.