Fitbit Charge HR — A week and one update later

So I’ve had my Charge HR for a little while now, so I figured an updated review was in order.

TL;DR I love it.

There was a recent update to the firmware that seems to have made the heart rate much more accurate for me, especially when I work out on the elliptical.  Here’s my chest-strap HRM vs the fitbit on my last workout:


Chest strap

Chest strap

Fitbit HR

Fitbit HR

Not too bad eh?  I think the chest strap will *always* be just a little bit more accurate than any wrist-based heart rate monitor, but that’s totally fine for me.  I hated having to put on a chest strap to get my heart rate while I exercised, and I’d be willing to give up way more accuracy than this to get that data for free while wearing something I was going to wear anyway. Now for some other points I’ve come across after wearing it for a week or two:

  • Coming from using a Fitbit One, I’m loving the wrist-based tracker.  I never have to worry about it falling out of my pockets (which happened all the time) or always having to be sure to transfer it whenever I change pants
  • The auto sleep detection is awesome and so far for me, super accurate.  I still don’t really know what to do with this data yet, but it is backing up my belief that I suck at sleeping, real bad.
  • The silent alarm is pretty great, I like being able to wake up earlier than my fiancee without having to wake her up with my obnoxious phone alarm
  • I love the constant heart rate as it seems to get me much more accurate calorie burn, especially when I do stuff like clean the house, which for some reason raises my heart rate to the fat burn zone
  • The only thing I wish was better was battery life, and even that’s not bad.  I don’t even charge it all the way til it’s full, I’ve just gotten in the habit of plugging it in for a few minutes at a time when I’m standing at my desk and know that I won’t be moving for awhile
  • To get the best, most accurate heart rate while using the elliptical, I found it best to make it one notch tighter than I usually wear it, and push it up my wrist a bit more so it stays put.  With this I’ve gotten much fewer random dips and spikes

Overall, I’m very impressed with the new Fitbit.  I may be a bit biased, as I love Fitbit for A) Playing a pretty big part of me losing 150 pounds and B) Having a pretty awesome API, allowing me to do some fun stuff, but I really do think the Charge HR is awesome, and the best Fitbit yet.


Posted in Being not fat.


  1. Jeff Denaro December 27, 2014 at 12:45 pm #

    Great review. Thank you

  2. brad December 30, 2014 at 3:25 pm #

    Are you still seeing that delay in the first 5 minutes of your workout in regards to accurate HR monitoring?

    • cwayne January 7, 2015 at 2:41 pm #

      Not 5 minutes, it might take 30 seconds or so now, which is totally reasonable to me

  3. ben February 26, 2015 at 2:12 pm #

    I have a charge HR too, and definitely love it, but it is definitely not perfect. Have you had any problem with the face getting scratched too easily?

    • cwayne February 26, 2015 at 8:20 pm #

      Yeah, mine’s pretty scratched, but doesn’t bother me much

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