Agreed about their is variability, but using 4 different devices, the only one that is significantly off is the Wyze band. Since I know the other 3 track similarly, and it is easier to wear 2 bands on 1 arm, I chose to compare it with the Garmin Vivofit. I walk every morning for a few miles.
Wed: Wyze - Vivofit steps
7:45 am 7244 - 8602 Walked
9:45 am 7619 - 9159 (UPDATED Firmware on WYZE band)
10:30 am 8222 - 10134
6:00 pm 9871 - 12573 Walked
Thurs: (so far)
10:00 am 8620 - 9542
I walked around the house in short bursts then sat down, I manually counted the steps:
Actual Steps - Wyze - Vivofit ( arms swinging and some cases not)
80 - 35 - 78 steps
124 - 59 - 120 steps
201 - 168 - 204 steps
Some of the observed variations originally are due to the counter not catching up but I always take a few extra steps to insure that it counts.
Assuming this is not a lower quality 3-axis accelerometer utilized in the Wyze band, the algorithm can be tweaked over time and would be repairable. Otherwise, it won’t be a keeper