Rachio is a Denver-based software and hardware company focused on improving the water efficiency of homes. Rachio makes the best-selling smart sprinkler controller. The Rachio Smart Controller enables you to control your outdoor sprinkler system from the palm of your hand, using a WiFi-enabled iOS or Android device. Rachio‚Äôs cloud-based software allows customers to manage their sprinkler system from anywhere. Installation takes less than 30 minutes and you begin saving water and improving your yard's health immediately. The Rachio Smart Controller makes landscapes beautifully efficient.