Watching Apple Watch heart rate and ECG, and capturing health check results. The story of building a healthcare app as an individual developer

I wanted to see the heart rate measured by my Apple Watch in real-time on the large screen of my iPhone. The app I started building with that thought in mind has grown to the point where it can now ...

I tested the Apple Watch's new heart rate sensor to see if it's really better than Garmin's

I pitted the Apple Watch Series 12 against the Garmin Forerunner 570.

I bought the COROS Heart Rate Monitor because I wanted to measure my daily heart rate.

This article contains affiliate links.I bought the COROS Heart Rate Monitor because I wanted to measure my daily heart rate.I ...