Inclusion Criteria:  High BP defined as at least 2 BP readings of SBP >= 130 or DBP >=80 during the 24 months prior to enrollment Clinic visit with primary care provider within the last 24 months Ability to write and speak English or Spanish 70 years of age or older 5 - Ability to understand and willingness to provide informed consent Owns a smartphone or tablet  Exclusion Criteria:  Blood pressure consistently <130/80 mmHg Presence of dementia, Alzheimer's disease, or significant neurological disease Major and unstable heart disease (e.g., acute heart failure (systolic or diastolic), acute on chronic heart failure (systolic or diastolic), acute coronary syndrome or cardiac arrest, liver or renal transplantation Under 70 years of age Inability to write or speak English or Spanish Chronic kidney disease stage 5 or ESKD Chemotherapy Any conditions judged by the medical providers to contraindicate participation due to risk to patient safety or lack of adherence Expected life expectancy under a year