Several key factors influence the cost of software development. The complexity of the project plays a significant role, with more features leading to higher costs. The size and expertise of the development team also impact expenses, as specialized teams often command higher rates. Longer development timelines typically increase costs as well. Additionally, the choice of technology stack can drive expenses, especially if advanced tools or frameworks are required. Geographic location is another factor, as development rates vary by region. Maintenance and ongoing updates further add to the total cost, along with any third-party integrations that require additional external tools. To estimate these expenses effectively, a software development cost calculator can be a valuable tool.