Digital Health Physical Activity Program for Older Family Care Partners of Patents With Heart Failure

This study is testing a digital (smartphone-based) physical activity program designed to help older family caregivers — people who care for a family member with heart failure at home — become more active and improve their own health and wellbeing. **You may be eligible if...** - You are 50 years old or older - You care for a household member aged 50 or older who has heart failure - You provide at least 8 hours of unpaid care per week - You are physically able to do light exercise like walking - You currently do less than 30 minutes of moderate exercise on fewer than 3 days a week - You own a smartphone and can be reached by phone, text, and email - You have a 6x6 foot space at home for physical activity **You may NOT be eligible if...** - You have a medical condition that prevents safe exercise (e.g., chest pain, dizziness, serious heart or lung disease) - You have significant cognitive impairment - You participated in a physical activity program in the past 6 months Talk to your doctor to see if this trial is right for you.