Help! Which one to believe?
Hi All Hope you can help. I use Endomondo on my smart phone and have a basic chest strap heart rate monitor. I went for a walk last night and Endomondo gave me the following data: Miles: 4.22 Average pace: 3.2mph Calories used: 544 cals However, when I looked at my heart rate monitor, it suggested that I had only used 299…