5G technology significantly affects mobile app development by enabling faster speeds, lower latency, and increased network capacity. This allows developers to create real-time applications that rely on immediate data transfer, such as augmented reality or virtual reality applications. Enhanced connectivity supports the development of more sophisticated features, like IoT (Internet of Things) integration, allowing apps to interact with a broader range of smart devices. The high bandwidth of 5G also facilitates richer media experiences, encouraging developers to innovate and enrich user interfaces within their applications.