Inclusion Criteria:  male and female subjects aged 60 years and above with a high fracture and fall risk defined by osteoporosis (low-trauma fracture within the last 5 years and/or osteoporotic bone density) a fall within the last year, who own a smartphone.  Exclusion Criteria:  cognitive deficit or concomitant disorder limiting communication or participation in the study simultaneous participation in another study deprivation of liberty due to a legal or administrative decision patients receiving psychiatric care adults beyond the age of majority under legal protection measures or unable to express their consent patients admitted to a health or social establishment for reasons other than research.