QuickBooks Integration by QBIS Seamlessly sync orders, invoices and payments with QuickBooks Online and Desktop using QBIS. Automate accounting and save hours every month. Try QBIS now! Manual data entry is time-consuming and error-prone. With QBIS Auto Sync, you can eliminate duplicate work by automatically syncing your sales, invoices, payments, customers, and vendors between your connected applications and QuickBooks. The integration works continuously in the background, ensuring your accounting data stays up to date without any manual effort. Every transaction recorded in your eCommerce store, CRM, or POS system is automatically reflected in QuickBooks—saving hours of bookkeeping time each week.