In terms of type of medications, 59.2% (174/294) of the medications entered in the apps belonged to one of the four main classes of cardiovascular medications recommended to patients with CHD, which include (1) anti-platelets, (2) angiotensin converting enzyme inhibitors (ACEi) or angiotensin receptor blockers (ARB), (3) beta-blockers, and (4) statins (Table 6). Here, ACE is linked to coronary artery disorder.