Built-In Memory with Polar Beat: Polar H10 has a built-in memory for heart rate data from one training session. The data can be transfered to Polar Beat, Polar’s free fitness and training app.

The Garmin HRM-Pro Plus is, instead, a heart rate chest strap monitor with a ton of fancy features all wrapped up in a simple ...

and why would you invest in this over a cheaper heart rate monitor like the Polar H10 or the Myzone MZ-Switch? The monitor itself has a battery life of a year and connects with most newer Garmin ...