If you need full control over your architecture and are planning to build a highly customised or large-scale IoT solution, Azure IoT Hub is a better option. It’s ideal for developers who want deep integration with other Azure services and prefer to manage their own data pipelines, security, and dashboards. IoT Central, on the other hand, is more of a plug-and-play solution suited for quick setups or proofs of concept. It hides a lot of the complexity but offers less flexibility. So if scalability and customisation are priorities, IoT Hub is the way to go.