Hi there, spm1801.
To ensure your customers will show up in your QB mobile app, I recommend doing some app troubleshooting steps. I can show you the steps on how to troubleshoot your app.
Here's how:
If the same thing happens after troubleshooting the app, you can consider uninstalling your app and then installing the most recent version (24.05.9) from the app store.
Furthermore, you can refer to this article to learn how to record paid invoices in your QBO mobile app: Receive an invoice payment using the QuickBooks Online mobile app.
Don't hesitate to comment if you still have concerns about your QB mobile app. I'm always here to help.
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