Emojis displayed on iPhone, iPad, Mac, Apple Watch and Apple TV are part of the Apple Color Emoji font. iOS, macOS, watchOS and tvOS all display the same emojis. Some Apple devices support Animoji and Memoji. Two Private Use Area characters are not cross-platform compatible but do work on Apple devices:
New 2018 Emojis
Emojis from Apple iOS 12.1 are displayed below.