In the "data age," an estimated 81% of Americans own at least one smartphone. That might lead one to wonder why more people aren't taking advantage of healthcare through mobile apps. Even then, many Americans also tend to own other internet-enabled devices, from desktop computers to laptops, tablets, and more. This trend, in conjunction with the still rampaging COVID-19 pandemic, leads to a situation where technology can serve the general populace through mobile apps. So, what are the best healthcare apps, and what do they do?