PowerFrail is the first scientifically-based application that allows you to assess the muscle power and frailty of older people in a simple way, also providing individualized recommendations on what content should be improved and what type of physical activity should be done to achieve healthy levels. PowerFrail has been developed thanks to the collaboration of the GENUD Toledo Research Group (Department of Physical Activity and Sports Sciences; University of Castilla-La Mancha) and the group o