The technology commonly used to develop mobile applications includes frameworks like React Native and Flutter. These frameworks enable developers to create cross-platform applications that can run seamlessly on both iOS and Android devices, improving efficiency. They allow for reusable code and faster development cycles, offering a cost-effective solution for businesses. Additionally, tools like Xamarin and SwiftUI also contribute to mobile app development, equipping developers with versatile options to enhance user interfaces and integrate advanced features, catering to the evolving demands of mobile users.