conflicting calories burned?

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rubypoh
rubypoh Posts: 24 Member
edited January 2 in Fitness and Exercise
I use a heart monitor watch. I also like to use the GPS app on my phone to track my miles and time. I used both today during my walk. I went 2.5 miles in 45 minutes. According the the app I burned 293 calories. According to the heart monitor I burned 500. My assumption is that the heart monitor is more accurate. What I don't understand is why they are so so different. I have my weight and height entered into both programs.
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