the Fitbit mobile app
Clockface with stats.
Tap the corners of the display to get the following actions:
Upper left: switch background color
Upper right: toggle torch on (double tap) and off (single tap)
Lower left: Toggle data
I'm providing my work for free but you can support my work with a donation:
Visit my website www.fitbit-dev.com
Thanks a lot.
Credits for the background image to de.freepik.com: