I use both the iPhone app and the Pacer regularly, and I always use the Heart Rate Monitor no matter which device I'm using to track my workout. (Usually use iPhone for outdoor activity so I have GPS, and Pacer for indoor activity where GPS doesn't matter.) The calorie calculations are vastly different on the two devices. For example, today I did a 45 minute run and the Pacer told me I burned 680 calories while the iPhone app told me I burned 800 calories. I have found that there is generally a 15-20% difference between the two with the app always saying that more calories were burned.
I have always assumed the Pacer is more accurate (and I want to be more conservative anyway), but I would expect and hope that when the HRM is attached, both the Pacer and the iPhone would give the exact same calculation. Why don't they? Is there a difference in the algorithm used by the two devices? Does the iPhone app use the HRM for the calculation or not?
In your case I would appreciate if you can contact our Support Team (support@micoach.com). When you do it, please let them know if you are using the App with the CONNECT and the HRM and Stride Sensor all paired together, plus the GPS. Or if you are only using it with the combination of HRM + GPS or if you are using the App only with the GPS.
Also, it would be good when you can attach in your message a couple of screenshots where the difference between the calories burned with a workout made with the Pacer and one made with the App are shown. One of our support agents will contact you soon.
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