iOS 10 will be rolled out to compatible iOS devices starting September 13, and macOS Sierra will be available to Mac users from September 20.
The notifications and the Control Centre have been redesigned, and possibly the biggest change comes to Siri with improved search and even integration of third-party apps.
iOS 10 compatible devices The iOS 10 update will roll out to iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPod Touch 6th gen, iPad Mini 2 and higher, iPad 4thGeneration, and the iPad Air and iPad Pro series.
Users will also be able to unlock their Macs with the help of their Apple Watch.
macOS Sierra compatible devices As mentioned, the macOS Sierra update will be available on September 20 to MacBook (late 2009 and after), iMac (late 2009 and later), MacBook Air (2010 and later), MacBook Pro (2010 and later), Mac Mini (2010 and later), and Mac Pro (2010 and later).