Device interoperability in the Internet of Things (IoT) is significant because it enables seamless communication and interaction among diverse devices and platforms. This compatibility allows for the aggregation of data from various sources, facilitating more comprehensive analyses and improving user experiences. When devices from different manufacturers can work together, it enhances functionality and efficiency, fostering the growth of smart ecosystems. Furthermore, interoperability is crucial for scalability, as it allows new devices and technology to be integrated without major overhauls. Ultimately, it supports innovations in automation and data sharing.