The Plus legitimized phablets for Western markets and gave developers a 'regular' vs 'plus' size class split that persists in iOSApple's mobile operating system — runs iPhone and iPad with a sandboxed app ecosystem. layout APIs. Landscape apps and split views became viable on a phone form factor.

The 6 Plus made phablets a first-class iOSApple's mobile operating system — runs iPhone and iPad with a sandboxed app ecosystem. form factor, not an AndroidGoogle's open mobile operating system — the dominant platform for smartphones worldwide. oddity.

Two iPhoneApple's smartphone line — touch-first mobile computing and the App Store ecosystem since 2007. size classes became a permanent constraint for iOSApple's mobile operating system — runs iPhone and iPad with a sandboxed app ecosystem. UIUser interface — the parts of software people see and interact with. design.