QuickBooks Point of Sale system is a great option for small business owners who use QuickBooks Desktop for accounting and prefer locally installed software to cloud-based software. Beyond that, the POS solution could be limiting for entrepreneurs who want greater flexibility. 

QuickBooks Plus will be much more useful for keeping track of purchase orders and vendors. It’s also a better pick if you have numerous big projects in the works that you want to assess for profitability. 

QuickBooks Online Advanced is cloud-based, SaaS accounting software designed to simplify accounting for mid-size and growing businesses. QuickBooks Online Advanced includes all the core accounting features of QuickBooks – and is enhanced with tools like customizable business analytics, visual cashflow and revenue dashboards, custom user roles for 25 users, and online back-up and restore.