You can explore these apps to integrate with QBO.

https://go.getjobber.com/quickbooks

https://housecallpro.grsm.io/quickbooks

Another option, use this free invoicing app with the estimate feature to integrate with QBO.

https://go.zoho.com/wQI

But you may need another tool to reconcile Paypal and Stripe transactions later into QBO.

https://partnerstack.synder.com/quickbooks