<ul data-eligibleForWebStory="true">watchOS 26 allows Apple Watch to use Control Center toggles from its paired iPhone for the first time.Developers can create custom controls for the built-in Control Center in watchOS 26.Users can add controls from the Control Center gallery on the iPhone to the Apple Watch Control Center.Controls from the iPhone engage in actions on the phone rather than the watch.Apple Watch does not need a native app installed to use controls from the iPhone.Developers with a native Apple Watch app can build native controls using the same API for iPhone controls.To test features, users can install iOS 26 and watchOS 26 developer betas.watchOS 26 features customizable Control Center, native controls, widgets, and live activities.Smart Stack on watchOS 26 supports controls, widgets, and live activities.Controls perform single actions, widgets display information, and live activities offer real-time updates.Controls can toggle settings, widgets show weather forecasts, and live activities provide event updates.Users can test the features in developer betas before the general public release in July.Smart Stack widget in watchOS 26 offers workout suggestions based on fitness routine.Controls from the iPhone can be added to the Apple Watch Control Center even without a Watch app.Native controls on Apple Watch perform assigned actions directly on the watch.