The cost of software varies immensely depending on whether it is pre-packaged desktop software, a subscription-based enterprise SaaS platform, or custom-built enterprise code. Basic consumer applications or mobile apps may cost anywhere from free to a few hundred dollars per year. Standard business SaaS tools typically range from $10 to $150 per user per month. In contrast, complex, custom-engineered enterprise software solutions, ERP implementations, or specialized cloud architectures can cost tens of thousands to millions of dollars in initial development and licensing fees.