How do I use HomeKit with my Rachio? Lucas September 21, 2017 10:36 Updated Follow The Rachio controller is not compatible with HomeKit. Please keep up to date on HomeKit and other integrations via our community. Related articles How do I use Alexa with my Rachio? How do I use my Nest with my Rachio? Rain Sensors FAQ How do I install a rain sensor? (Generation 2) How do I use Alarm.com with my Rachio? Comments 0 comments Please sign in to leave a comment.