The cost of Software as a Service (SaaS) varies dramatically depending on the application complexity, target user base, and pricing tier. Basic consumer SaaS tools typically range from free basic versions to $10 to $50 per user per month for premium features. Standard business productivity suites generally cost $15 to $100 per user monthly, while heavy-duty enterprise resource planning (ERP) or specialized sales automation platforms can scale from hundreds to thousands of dollars per user annually based on data volume.