This document summarizes the results of testing 6 different activity tracking devices. It records the number of steps reported by each device, and compares the reported miles walked to the actual miles of 2.6 according to Google Maps. The Garmin Vivofit and Withings Pulse were most accurate, reporting distances within 5% of actual. The Misfit Shine and Moves app with iPhone reported distances more than 10% lower than actual.

1. Device Location App
platform
Steps
reported
Miles
reported
Actual
miles
walked
(based
upon
Google
Maps)
Steps per
mile (based
on reported
data)
Steps per mile
that guidelines
suggest (based
upon average
stride of 2.5 ft)
% difference
between
reported vs
actual miles
Garmin
Vivofit
Worn on
left wrist
Android 4,813 2.6 2.6 1,851 2,000 0.0%
Withings
Pulse
In right
jean pocket
Android 4,768 2.73 2.6 1,747 2,000 5.0%
Samsung
Gear Fit
Worn on
left wrist
Android 4,670 2.44 2.6 1,914 2,000 -6.2%
Fitbit One In right
jean pocket
Android 4,906 2.38 2.6 2,061 2,000 -8.5%
Moves app
with iPhone
5s
In left
jacket
pocket
iOS 4,495 2.3 2.6 1,954 2,000 -11.5%
Misfit Shine In right
jean pocket
Android 4,896 2.2 2.6 2,225 2,000 -15.4%
Sunday 4th May 2014 – Group test of 6 activity trackers – Summary of results @maneeshjuneja maneeshjuneja.com

2. Sunday 4th May 2014 – Group test. Walking route: 2.6 miles (according to Google Maps)
Samsung Gear Fit Misfit Shine Withings Pulse
@maneeshjuneja maneeshjuneja.com

3. Sunday 4th May 2014 – Group test. Walking route: 2.6 miles (according to Google Maps)
Moves – iPhone 5s Garmin Vivofit Fitbit One
@maneeshjuneja maneeshjuneja.com