Thanks for visiting the Community, @jcarborcrescent. Yes, there is. By swiping on the invoice to the left will give you the options to delete, resend, and mark as paid.
To learn more about how invoices work in the mobile app, you can check this article: Invoicing in the Mobile app.
I've also added an article that will guide you in which mobile app features in QB Online are supported on your mobile devices: Compare mobile app features.
Let me know if you have any additional questions, @jcarborcrescent. We're always delighted to be your guide.
