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Pro A selection of free premade watchfaces are available
Free watchface packs are available on the official website. There are new featured watchfaces almost every day.
The application is available for free, but you can choose to donate via the in-app donate button.
Pro A simple and easy way of creating your own custom watchfaces
The app allows creating a watchfaces in a super-simple way. All you have to do is choose a background image and an image for each of the dials - hours, minutes and optionally seconds, then send it to your Android Wear device.
Pro 4 quality watchfaces designed by Ryan M. Kelly are inclusive
You can view more of Ryan M. Kelly's work here.