I measure calories in and calories out daily.
After more use, I tried to raise this to 4 stars from the original 3 but was unable to change.
I use a Polar Sx625 (an excellent device) heart rate monitor to approximate my exercise calories and have my basic metabolism approximated regularly using a BIA, and a DEXA.
I have been using the gowear fit device for a little over a week and am generally impressed. It responds to my physical activities (martial arts, weight lifting, hiking, spinning, et al) in a reasonable way. I have found the hour by hour activity burn but am not sure how to correlate the calorie burn to my activities themselves (how many calories did I burn weight lifting, for example.)
I did calibrate it (by inputting a weight other than my actual that generates the basic calorie burn BMR I know to be true)
I am a bit nervous about reliability since the case doesn't seem too water resistant and I can envision the USB port getting wet with sweat.
I think this device is interesting and likely worth having. I will update as I get more feedback.
I tried (and hated) the actitrainer when it first came out as unreliable and generally not useful. I actually bought a $20 pedometer and got the useful part of actitrainer from that. I think I read that actitrainer has modified their software to use the heart rate data (they didn't when I had it) but still I don't want to wear a heart rate monitor all day.
The gowear fit approach seems much simpler.
Update... While I get different results from the Polar s625x (which have proven correct over a couple years) during exercise and the gowear fit.. .at the end of the day the two approaches are pretty close at approxamating calories out. For example during a recent weightlifting session the gowear fit showed about half the calorie burn as the polar, and the gowear was including my BMR (basic metabolism) while the polar was not. But at the end of the day they were within closer than 10% of each other. With the Polar I add the BMR to the exercise calories. With Gowear the total is provided.
The calories eaten (in) approximation on gowear is very limited, to the point of not being useful. Gowear assumes that one eats about the same calories each day. In my case as well as many others I know calories in (eaten) vary drastically depending on the exercise that day. I woudl be happier not having to factor that out of the reports (which are very good by the way) I use myPersonalDiet (www.vidaone.com) to track calories eaten so I dont need this from gowear anyhow.
Get more detail about GoWear fit Lifestyle and Calorie Management System.
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