With Insteon+, you can control both Insteon-native devices as well as HomeKit-compatible devices. Use the steps in this article to add a HomeKit-compatible device to Insteon+.
1. Tap the + in the upper right corner to open the Extend your Home sheet.
2. Tap Add a Device
3. Ensure that your HomeKit accessory is powered on.
4. Tap your new HomeKit accessory after it appears at the bottom of the screen.
5. Enter the 8-digit HomeKit pairing key found on your new HomeKit device.
6. Finish up by giving your device a name, picking an icon and adding it to a room.