After you update your iPhone, iPad or iPod Touch to iOS 10, you will see a new Home app on your Home screen. This lets you control your HomeKit accessories by using your iOS device. You can instantly turn on or off your appliances and even check the person knocking on your front door. In...
iOS 10 Home App, iPhone 7 Home App
https://ipadhelp.com/ipad-help-tips-tricks/use-home-app-iphone-ipad-ios-10-0/