The fundamental difference is that smartthings is 90% a cloudbased platform. You’ll find it that affects a number of things, both for good and for bad.
Another difference to be aware of from the beginning is that there are no network mapping utilities and no back up capabilities. So, yeah, there’s that.
The following thread was created for people who are migrating over from the iris system, but it might be a good place to start. ( The topic title is a clickable link)
