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Animoji are a set of digital avatars created by Apple Inc., based upon symbols of animals and mythical creatures from their Apple Color Emoji typeface. Unlike standard emoji, Animoji are 3D models which can be custom-animated using facial motion capture to reflect the user's own facial expressions and utilize lip sync to appear to speak audio messages recorded by the sender.^[1] The name is a portmanteau of "animated emoji", referring to this ability. Certain Animoji also use audio modulation features to change how the voice of the character sounds when recorded.^[2]

Animoji can be accessed from the iMessage app on supported devices and can embedded on top of users in FaceTime calls or on video recorded in Clips.^[3] A set of static expressions for each character, themselves based on other popular "smiley" emojis, are also available as a set of iMessage stickers and are available on devices without Face ID support. Despite their similar appearance to standard emoji, Animoji have no relation to the Unicode standard and are simply sent across devices as image or video files.

With iOS 12, Apple expanded upon Animoji by implementing customisable Memoji, which can be designed by the user using different facial features and clothing options to create avatars of themselves or others.^[4] Subsequent updates have included further customisation options, including the introduction of visual representations of disabilities through devices such as cochlear implants and oxygen tubes which can be added to an avatar.^[5]

A standalone Memoji app was implemented on Apple Watch devices with watchOS 7, allowing users to create and adjust their avatars from their wrists. A watch face featuring both Animoji and Memoji characters was also introduced.^[6]

Critics have mentioned that while the feature is a "fun exercise", the limitations of Memoji creation mean that not everybody will be able to create an avatar that looks like them.^[7]

Animoji are available in the following characters:

Apple had created 3D models of all standard emoji prior to its late-2016 OS updates from which the static default 2D graphics had been rendered. A select set of these models are being reused for creating still images and short animations dynamically.

Animoji were first unveiled alongside the announcement of the iPhone X, as the feature makes use of the device's TrueDepth camera to achieve facial tracking.^[8] A total of twelve characters were available upon release, with a further twelve made available in later updates.^[9]