IOS 12

iOS 12 is the twelfth major release of iOS, being the successor to iOS 11 and the predecessor to iOS 13. It was announced at WWDC 2018 on June 4 alongside tvOS 12, watchOS 5 and macOS Mojave, before being released to the general public on September 17, 2018. It is aesthetically similar to iOS 11 but contains numerous performance and battery life improvements and security updates. It was the last version to support iPads, which was spun off into iPadOS when iOS 13 was released.

Features
iOS 12 improves upon or introduces the following features:
 * Screen Time – allows users to track how much time they are spending on their devices and what they are doing.
 * Shortcuts – allows users to automate tasks which Siri can perform
 * ARKit 2
 * CarPlay – can now run third-party navigation applications
 * Messages – introduces customizable Animoji called "Memoji"
 * FaceTime – support for Animoji and Memoji
 * Measure – a new AR application that allows users to take measurements, as well as work as a level.
 * Do Not Disturb During Bedtime
 * Apple Books (previously iBooks)
 * Safari – updated Intelligent Tracking Prevention
 * Apple Maps – "rebuilt" by relying on first-party map data instead of using map data provided by third parties