For Decora Smart® 1st Gen products with HomeKit Technology (DHxxx) – use the iOS Home App or for enrollment, control and firmware updates use the Leviton Decora Smart Home iOS App.
Decora Smart® Wi-Fi 1st Gen products (DWxxx) are not compatible with Homekit technology.
In early 2021 Leviton introduced the Decora Smart® Wi-Fi 2nd Gen Switch and dimmer (D2xxx). These products continue to work with the My Leviton app and include support for HomeKit technology. Use the iOS Home App or for enrollment, control and firmware updates use the My Leviton iOS App.