WatchOS 4.0

WatchOS 4.0 वाले स्मार्टफ़ोन, टैबलेट और फ़ोन। मोबाइल उपकरणों के लिए संस्करण WatchOS 4.0 ऑपरेटिंग सिस्टम के बारे में सब कुछ

WatchOS (or watchOS) is the mobile operating system of the Apple Watch, developed by Apple Inc. It is based on the iOS operating system and has many similar features. It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS. Its API is called WatchKit.

उद्यम/डेवलपर:	Apple
App Store:	App Store
आवेदनों की संख्या:	14,00,000
OS Kernel:	Mach
संस्करण:	WatchOS 4.0
संस्करण रिलीज़ दिनांक:	सितंबर, 2017