You can find a list of compatible devices on the hub manufacturer’s website.
If you’re on the fence, here’s a simple way to help you choose: Consider all the devices you want to add to your home and then make sure that the smart hub you’re looking at will support them all. You can find a list of compatible devices on the hub manufacturer’s website. The good news is, if you want to add a new component down the road, products with the same general capabilities are usually available for the major smart home hubs.