Project management costing software is primarily focused on the estimation and tracking of project costs. It's tailored to businesses like construction, engineering, IT services, and professional services.
Project accounting software, on the other hand, provides a broader view of finances, integrating cost management with other financial aspects like revenue recognition and billing.
A project cost tracking system includes tools for real-time cost monitoring, earned value management, and profitability analysis specific to projects, whereas project accounting solutions support the complete financial lifecycle of a venture, from budgeting and expense tracking to invoicing clients.
Project accounting includes general ledger, accounts payable, accounts receivable, payroll, and financial reporting functionalities. It's particularly important for businesses that need to align their project work with general accounting standards and practices, including compliance with GAAP or IFRS.