Mindful Steps 2.0: Promoting Physical Activity in Patients With COPD and HF

Inclusion Criteria: * Clinical diagnosis of COPD (defined as cigarette smoking history \> 10 pack-years, and either a ratio of FEV1 to forced vital capacity \< 0.70 or chest CT evidence of emphysema) OR clinical diagnosis of HF syndrome (with left ventricular systolic dysfunction or preserved ejection fraction and New York Heart Association Class 1-3) * Medical clearance from provider to participate in an exercise program * Have an active email account; access to a computer device (desktop, laptop, tablet, or smartphone that supports the Fitbit app). Exclusion Criteria: * COPD or HF exacerbation in the previous month * Inability to ambulate * Inability to collect at least 7 of 14 days of baseline step counts * Current participation in a cardiac or pulmonary rehabilitation program