http://www.techradar.com/news/apple-watchos-4-release-date-news-and-features >Update: Apple confirmed at its latest event that the new watchOS 4 software will be available for all Apple Watch models on Tuesday, September 19. >Apple’s wearable software is a big part of why the Apple Watch, Apple Watch 2 and now, the Apple Watch 3, are among of the best smartwatches on the planet and keeping pace with the best Android Wear watches out there.