Face to fingertips
See blinks, winks, eyebrows, cheek and mouth movements on the animal face, with colored 2D arms and fingers.
iPhone · iPad
See your motion
as an animal avatar.
Sign Motion tracks your face, upper body and both hands on your device, displaying five 2D animal faces, colored hands and arms, and a white T-shirt.
Help and support
On-device tracking
Camera footage is not sent to the developer’s server. No account is required.
Skeleton-only recordings
Avatar MP4 recordings contain rendered motion with no camera footage. Audio is optional. You can also edit captions and trim videos you select.
For iPhone and iPad
Requires an iPhone or iPad with iOS or iPadOS 18 or later.
Choose 30 fps or 60 fps camera capture.
The app does not classify or translate sign language. It does not precisely track the tongue, recognize emotions, identify people or perform medical measurements.