The latest version of the Switch iOS app now also supports Siri and Siri Shortcuts. You can command Switch with your voice to start a routine, switch a device or set a different alarm mode. Siri Shortcuts also allows you to define further automations with dependencies on other apps. Siri will also learn about your habits and come up with intelligent suggestions with regards to the use of routines, devices and alarm modes, if you allow. Just try it out!