From: Systematic review of the validity and reliability of consumer-wearable activity trackers
 | Interdevice reliability |  | Validity | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Motion sensor | Steps | Distance | Physical activity | Energy expenditure | Sleep | Steps | Distance | Physical activity | Energy expenditure | Sleep |
Fitbit | ||||||||||
Fitbit Classic (also referred to as the "original Fitbit" or "Fitbit Tracker") | Adam Noah 2013 [29] | Â | Â | Adam Noah 2013 [29] | Montgomery- Downs 2012 [38] | Adam Noah 2013 [29] | Â | Â | Adam Noah 2013 [29]; Dannecker 2013 [31]: Sasaki 2015 [39]; Stahl 2014 [41] | Montgomery- Downs 2012 [38] |
Fitbit Ultra | Â | Â | Adam Noah 2013 [29] | Meltzer 2015 [37] | Adam Noah 2013 [29]; Gusmer 2014 [34]; Lauritzen 2013 [23]; Mammen 2012 [36]; Stackpool 2014 [40] | Â | Â | Meltzer 2015 [37] | ||
Fitbit One | Takacs 2014 | Â | Diaz 2015 [15] | Â | Case 2015 [30]; Diaz 2015 [15]; Ferguson 2015 [33]; Simpson 2015 [46]; Storm 2015 [42]; Takacs 2014 [43] | Takacs 2014 [43] | Ferguson 2015 [33] | Ferguson 2015 [33] | ||
Fitbit Zip | Â | Â | Â | Â | Â | Â | Â | |||
Fitbit Flex | Diaz 2015 [15] | Â | Â | Diaz 2015 [15] | Â | Â | Â | Â | ||
Jawbone | ||||||||||
Jawbone UP | Â | Â | Â | Â | Â | Â | Ferguson 2015 [33] | de Zambotti 2015a [47]; de Zambotti 2015b; Ferguson 2015 | ||
Jawbone UP24 | Â | Â | Â | Â | Â | Case 2015 [30] | Â | Â | Â | Bai 2015 [45] |