A good smart controller saves you water (less wastage) and money.  They react to real-time weather conditions and forecasts and also provide many customizable and intelligent watering schedules. Using a smart sprinkler controller, you can control your sprinklers from anywhere in the world through an app on your smartphone.

Good smart sprinklers are inuituve and easy to use.

However, keep in mind that you can use smart controllers only for underground sprinkler systems with wired controllers. Smart sprinkler controlelrs will not work with battery-operated controllers or hose timers.

The best smartwatch controller: Rachio Smart Sprinkler Controller (Generation 2) - Flexible and easy to use.

The second best smartwatch controller: RainMachine Touch HD (touchscreen control)