There are many connectors available in the market. You may utilize an inventory management app acquired by Intuit recently as the connector.
https://go.tradegecko.com/register?code=fiat-lux
You may compare it with another app
https://www.zaperp.com/ref/25/
As for the 3rd option, explore this connector to reconcile data between Shopify and QBO
https://synder.grsm.io/quickbooks
Happy exploring!
