The cost to build a car parking app depends on the features, platform choice, and level of real-time functionality required. Core elements like parking spot search, GPS-based navigation, and live availability updates influence the budget. Integration with secure payment gateways and user account systems adds to development expenses. Advanced features such as dynamic pricing, reservation options, and push notifications increase the overall cost. UI/UX design tailored for quick and intuitive booking plays a key role in user satisfaction. Backend development, cloud hosting, and database management are essential components of the total investment. Supporting both iOS and Android platforms requires additional development effort. Thorough testing ensures reliable performance across devices and environments. Ongoing maintenance, feature updates, and customer support contribute to recurring costs. Overall, the total cost varies widely based on functionality depth and scalability goals.