April 24, 2015
Apple Watch released
Apple began selling the Apple Watch on April 24, 2015 — a smartwatch running watchOS with a new app SDKSoftware development kit — tools and libraries for building software on a platform. and Digital Crown input.
What it was for
watchOS brought SwiftApple's language for iOS, macOS, and server apps — designed for safety and performance./UIKit extensions to the wrist — complications, health sensors, and glanceable notifications. Developers built companion apps paired with iPhoneApple's smartphone line — touch-first mobile computing and the App Store ecosystem since 2007. backends; Apple later added cellular models and native App StoreApple's marketplace for iOS apps — centralized distribution and in-app purchases on iPhone. distribution on-watch. It opened wearable computing as a mainstream platform beyond fitness bands.
Companies
- Apple
Why it's here
The Apple Watch launched watchOS as a first-class Apple developer platform.
Why it mattered
It created a new form factor for companion apps, health APIs, and glanceable UIUser interface — the parts of software people see and interact with. patterns.
What it solved
Users wanted smartphone notifications and health tracking without pulling a phone from their pocket.
Media
ImageApple WatchKK IN HK, Public domain, via Wikimedia Commons
Related
- iPhone goes on saleJune 29, 2007
- iPhone App Store opensJuly 10, 2008
- Apple A4 chip introducedJanuary 27, 2010
- Apple M1 announcedNovember 10, 2020