iCardia4HF: Multi-component mHealth Intervention for Patients With Heart Failure

Inclusion Criteria: * Diagnosis of Stage C Heart Failure * ≥ 18 years of age * Transthoracic Echocardiogram or Cardiac MRI performed in the last 3 years and LVEF results available * Patient is actively treated with oral loop diuretics for chronic heart failure * Hospitalization due to acute decompensated heart failure within 24 months before randomization and/or insufficient self-care per SCHFI assessment (score of ≤3, in at least two items of the SCHFI v7.2 maintenance, symptom monitoring, or self-care management subscale) * Ability to speak and read English Exclusion Criteria: * Implanted ventricular assist device * High urgent listed for heart transplantation * Acute coronary syndrome within the last 7 days before randomization * Revascularization and/or CRT implantation within 28 days before randomization * Planned revascularization, transcatheter aortic valve implantation, MitraClip and/or CRT implantation within 3 months after randomization * End-stage HF (hospice candidate) * Discharge to a setting other than home * Individuals who have a home nurse or are not able to take care of self (eat, dress, walk, bathe, take medications, or use the toilet) * Chronic renal insufficiency with hemodialysis or estimated Glomerular Filtration Rate \<25 mL * Active cancer, currently undergoing treatment (e.g. radiation immunotherapy) * Existence of any disease reducing life expectancy to less than 1 year * Cognitive impairment (e.g., Dementia, Parkinson disease, Alzheimer disease, MoCA\<18, impaired self-determination, lacking ability to communicate) * Major physical impairment (e.g., inability to walk, bound on a wheelchair) * Unwillingness to use study equipment * Active substance abuse * Currently pregnant, less than 3-month post-partum or pregnancy anticipated during the study * Participation in other treatment studies or remote patient management programs * Participation in the iCardia4H pilot trial (conducted before this study)