Clinical Research Directory

Inclusion Criteria: * 60-90 years of age * Residing in the community * Total score of Modified Fried frailty phenotype score ≥ 1 point * Korean Mini-Mental State Examination-2 z-score ≥ -1.5 * Can read and write * Being able to use the a mobile app through education or having someone help a participant use the mobile app * Having a reliable informant who could provide investigators with the requested information. * written informed consent Exclusion Criteria: * Major psychiatric illness such as major depressive disorders * Dementia * Other neurodegenerative disease (e.g., Parkinson's disease) * Malignancy within five years * Cardiac stent or revascularization within one year * Serious or unstable symptomatic cardiovascular disease * Other serious or unstable medical disease such as acute or severe asthma, active gastric ulcer, severe liver disease, or severe renal disease * Severe loss of vision, hearing, or communicative disability * Significant laboratory abnormality that may result in cognitive impairment * Any conditions preventing cooperation as judged by the study physician * Unable to participate in exercise program safely * Coincident participation in any other intervention trial