MYOB AccountRight is MYOB’s flagship small business accounting product. Its primary function is as an accounting package. MYOB Acumatica (formerly MYOB Advanced) is an integrated whole-of-business management system (also known as an ERP system) which has Finance, CRM, Inventory, Distribution, Project Accounting and Payroll as part of its core functionality. MYOB Acumatica is intended for larger businesses who have outgrown MYOB AccountRight.