I'm here to make sure you'll be able to create invoices in QuickBooks Mobile App, BusyBee.
You can follow the steps below on how to create an invoice using the mobile app:
1. Select the hamburger (≡) icon and click Invoices.
2. Click the plus (+) to create a new invoice. 3. Tap (+) to add recipient information. 4. Fill out your recipient’s email address, phone, and address (optional). 5. Once done, click Save.
Once your customer pays their invoice, you can refer to this link to record it in the system: Record invoice payments.
I'll be right here to continue helping if you have any other concerns or questions about managing your invoices in the QBO mobile app. Have a good one!