Coubertin Rings: Watch Face

Coubertin Rings is an Android Experiment that uses the built-in sensors on your watch to display playful interactive rings that represent your daily step count. The more steps you take, the more rings you earn. As you hit step milestones throughout the day, the rings get bigger, change color, and scale up to quantify higher step counts (e.g. 10 steps, 100 steps, 1,000 steps). Once you hit the higher step counts, your watch will reward you with a splash of color to help motivate you to the next ring. Shoot for 10,000 steps and achieve a jubilation of color!

Paying homage to Pierre de Coubertin, the father of the modern Olympic Games, the watch references the rings of the Olympic logo which was designed in 1912 by Coubertin himself. The Olympics are a symbol of goals and achievements, the Coubertin Rings watch face is meant to promote your daily activity performance.

Step calculation
If Google Fit is enabled on your phone, the watch will query the Google Fit API for the daily step count. Due to Google's implementation of the Fit API, the numbers shown may not match those reported by the phone. (We find it frustrating too, and if it bothers you, please report the bug to Google!)
When Google Fit is disabled, the built-in pedometer of each watch calculates steps, which begins counting once the Coubertin Rings watch face is selected. The daily step count resets to zero each night at 4:00 a.m. If the user selects a different watch face and returns back to Coubertin Rings, the step count will start at zero. The steps also return to zero if the watch is turned off or reset.

For more information about Coubertin Rings visit

See Fathom’s full collection of watch faces
Coubertin Rings: A watch face to motivate your daily activity
Gaze Effect: A watch face that looks back
Bouncing Isaac: A watch face inspired by light and physics

This project is open source, and the code is available here:
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What's New

Now with support for Google Fit! Also added support for 24-hour time, and it shows the date when tapped. Live updates when steps are detected, plus a handful of other bug fixes and tweaks.
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Additional Information

January 13, 2016
Current Version
Requires Android
5.0 and up
Content Rating
Offered By
Fathom Information Design
300 Cambridge Street, Floor 5 Boston, MA 02114
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