Subscriptions LTV: 4 Keys to Increasing the Lifetime Value of Your Customers
Automatically import your orders from Shopify to QuickBooks at the end of each day.
Export all your orders to automatically include all line items, shipping, and taxes.
Import products from QuickBooks Online to your Shopify store with one click.
This has been one of the easiest to set up and most perfectly operating apps I've ever used. Barring a complicated, unique use application I don't know how you could ask for more.