After successful integration of these two apps, users can save time by eliminating data re-entry copying from QuickBooks to other applications. It is user-friendly as well as cost-effective as you don’t require the expertise of any developers or code knowledge in building your own app integrations. quickbooks zapier integration Zapier app is considered to be easiest way of connecting QuickBooks Online with several useful apps such as PayPal, Salesforce, Freshbooks etc.