QardioCore

QardioCore is a wearable ECG free of wires or patches. It collects medical grade ECG readings that can be tracked using a mobile app and shared with a doctor. https://www.getqardio.com/qardiocore-wearable-ecg-ekg-monitor-iphone/

AliveCor

Kardia Mobile, by AliveCor, is a tiny, personal ECG that delivers medical grade results straight to your mobile device. This allows you to know anytime, whether your heart rhythm is normal, or if atrial fibrillation is detected. https://www.alivecor.com/

Omada

Omada targets those who are at risk for type II diabetes and heart disease. It provides users with a scale and an affiliated account, in which participants can interact with a personal health coach and online community for behavioral-science and data-science based preventative health. https://go.omadahealth.com/