Developing an app like Woolworths involves various factors influencing costs, including design complexity, platform choice (iOS, Android, or both), and feature integration. Key functionalities like user-friendly navigation, product search, seamless payment gateways, and loyalty programs add to the expense. Development also includes backend infrastructure, security measures, and ongoing maintenance. Costs may range from $50,000 to $300,000, depending on app scope and customization. Partnering with experienced developers ensures quality, scalability, and timely delivery for a successful app like Woolworths.