The cost of building an EV charging app can vary depending on the app's complexity, features, and development requirements. Basic apps with standard functionalities may range from $10,000 to $50,000, while more advanced applications with additional features such as real-time data analytics, user authentication, and integrated payment systems can cost between $50,000 and $100,000. Customization, platform compatibility, and ongoing maintenance are also key cost factors to consider when developing Electric Vehicle Charging Software Solutions.