Square creates tools that assist sellers of all sizes to start, run, and grow their businesses. Square has a point-of-sale service that offers tools for each part of running a business, from accommodating credit cards and tracking inventory to real-time analytics and invoicing. QuickBooks Online helps the users to import sales and expenses from their respective Square payments, view historical data, sync Square Payroll reports, and more. In case you are new, learn more about QuickBooks Online. It is advisable to use the free Sync with Square app to connect QuickBooks and Square accounts to accomplish your accounting online effectively and accurately.