Inclusion Criteria:  Adults with confirmed PAD referred to a vascular surgery unit for evaluation and treatment, currently on best medical treatment and own/have access to a mobile smartphone Stable PAD disease and limb symptoms during the last 3 months. PAD is the activity-limiting disease Abnormal resting ankle-brachial index (ABI) (≤0.90), falsely elevated ABI above 1.3 or a 30% post-exercise ABI reduction.  Exclusion Criteria:  Critical limb ischemia, prior amputation, or other diseases/ impairment that limit the walking ability and the 6-minute walk test's proper conduct Cognitive impairment Prior revascularization less than one year ago A planned revascularization procedure during the upcoming 12 months (known at baseline).