Validation of Physical Activity Tracking via Android Smartphones Compared to ActiGraph Accelerometer: Laboratory-Based and Free-Living Validation Studies.
Eric B HeklerMatthew P BumanLauren GriecoMary RosenbergerSandra J WinterWilliam HaskellAbby C KingPublished in: JMIR mHealth and uHealth (2015)
Overall, results suggest that an Android smartphone can provide comparable estimates of physical activity to an ActiGraph in both a laboratory-based and free-living context for estimating sedentary and MVPA and that different Android smartphones may reliably confer similar estimates.