A Comparison of a Smartphone App and a Wrist-Worn Fitness Tracker for Self-monitoring of Physical Activity by Older and Younger Users

  • Rebekka Kupffer
  • Melanie Wutzler
  • Josef F. Krems
  • Georg Jahn
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 233)


Wearables capable of monitoring steps are important elements of behavior change interventions to increase physical activity. For intervention studies, there is currently the choice between smartphone apps and fitness trackers for self-monitoring daily steps. We report results from a pilot study, in which younger and older participants experienced both types of devices, rated usability, and performed usability tasks. The fitness tracker, which was operated with a single touch-sensitive button, proved advantageous in subjective and objective usability. The discussion includes further aspects of the choice between smartphone apps and fitness trackers for use in interventions.


Mobile health Wearables Quantifying self Behavior change Pedometer app Accelerometry 


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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2018

Authors and Affiliations

  1. 1.Institute of PsychologyChemnitz University of TechnologyChemnitzGermany

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