Inclusion Criteria:  ≥ 18 years of age on the date of randomization Patient implanted with a new HeartMate 3 LVAD at URMC Patients enrolling in the study at the time of index discharge home following new HM3 LVAD implantation will be evaluated by a HF cardiologist and physical therapist and will need to demonstrate ability to ambulate independently. Patients enrolling in the study after their index discharge home following HM3 LVAD implantation will be evaluated by a HF cardiologist or VAD Coordinator and will need to demonstrate ability to ambulate independently. Patient willing to participate in HER. Patient owns a smartphone with Internet connection.  Exclusion Criteria:  Major comorbidities or limitations that may interfere with exercise training (including significant orthopedic/neurologic limitations, decompensated HF, uncontrolled arrhythmias, unstable angina). Patient with a life expectancy <12 months. Patient unwilling to sign the consent for participation. Patient unwilling or unable to cooperate with the study protocol Patient who does not anticipate being a resident of the area for the scheduled duration of the research study Pregnancy