Customer Ratings & Reviews

Not enough bells and whistles for my liking. Needs more.

It was inconsistent and hard to operate. I wouldn't recommend it.

Didn't last a week. No power, can't get it to charge.

My Fitbit stopped working after two weeks right in the middle of a step challenge at work. I have spent plenty of time going back and forth with Fitbit trying to remedy the fact that my new Fitbit does not work., to no avail. Now I am waiting for a refund.

My wife did not like it. Returned it and got a Garmin

Once he starts using it the info it will provide will be useful

So-so...it's only as good as you put into it...it's alright

I just ordered this fitbit flex on May 15th, and set it up and in less than 10 days it's not working properly. I've charged it twice in two days and it's not holding the change and prior to losing the charge it's not properly counting my steps.

I bought the fit bit. You don't know if your phone is compatible until you open it. I downloaded the app and it would not sync with my phone. I have the Samsung Galaxy Stellar. So it is useless to me.

After a month's use, my fitbit has started to tear at the connection of the plastic and the rubber. I have contacted fitbit and have not received a response. Do not buy this product until the defect is fixed.

Fit bit support responded promptly and said would send new band, but never received band. I just returned item to store. Wish it would come with clip that could just attach to clothing I know many people very happy with product. Maybe I will try again later

I have used podometers in the past & have done online fitness programs such as lose it , so i figured this would be a great purchase...yes & no.. prior to purchasing, I did read in the reviews that you can't see how many steps you have made, it only shows you in lines, knowing you hit your goal once the 5 lines blinked, which sucks but, if you do the math you take your goal ÷5 & voila. I loved the email notifications of all the badges I earned another feature I liked is that you can track your weight and food (like the lose it app) & was looking forward to trying out the sleep pattern on my fitbit but never did hassle with it. I did use the vibrating alarm though and that feature is fantastic. The downside of this fitbit and the reason I returned it just under a month of use; the inner part that you charge in the usb quit charging. Then the band tore & broke, right in the spot where you slide the device back in & on top of that, even without ever wearing it in the shower or sweaty workouts, IT SMELLED FOUL. Lol, even after washing it several times with antibacterial soap. All of these issues happened within sequence of each other so I threw in the towel. Thankfully my mom had gotten an extra fitbit zip for me that I can clip on or wear in my pocket like my big old school podometers. I can't wait to see how that model holds up. I will send a review for that in the next month.

I loved the fitbit, and it was definitely a motivator. But I don't rec anyone buys the bracelet bc it came off TOO easy and now I'm fitbitless. #designflaw

I have worn the Flex for around a week now. It seems to be fairly accurate. I am a previous zip user and the numbers that I got from that device are around the same. I have read ALOT of reviews online, and it seems people are complaining that it calculates steps when waving arms and typing. Mine does not do this at all. In fact I have the app open on my desk and monitor it to see if steps are tracked when I type and they are not. I also drive 1 hour to work and 1 hour back every day it it maybe calculates 5 steps. My Zip did the same thing. I did however make sure that I wear it on my non-dominant hand and have the setting online set to "dominant". The dominant setting makes the devices less sensitive and maybe thats why people are have accuracy issues. Overall, I really enjoy it and it helps me reach my daily goal of 15,000.

Bought this to help keep track of my activities. I do a lot of stair climbing throughout the day and this device is not accurate at all at capturing the number of stairs climbed.

The flex bit is not syncing with computer. I have come to store and it did not work once I got home. I have had a flex bit before and had no problem but the I have since bought two others. I am will return both.

I paid over $100 for something that says I burned 800 calories when not even on my wrist. Step count is very inaccurate. You're better off with a notebook and pencil.

Very upset because after only having the fit bit for a little over a month it fell off my wrist while bike riding with friends and I cannot locate it anywhere! Before the loss I was very pleased with the product.

First things first: If you fasten/unfasten the clasp a few times (it took me 3 times), the holes in the band will loosen up and the Flex is very easy to take off/put on from that point forward. The very first review of the Flex on Amazon made that point quite clearly. Second, there is a reason there's no manual: generally, people don't read them. That's why you need to go to the website to initialize your Flex, and, hopefully, read the other instructions. FOR EXAMPLE: If your results are really inaccurate, you may need to change the default from Non-Dominant wrist (sensitive calibration) to Dominant wrist (less sensitive). [My experience: I'm using it on my non-dominant wrist, and I spend much of the day on the computer. I'm right-handed, and that's the hand I use for mouse/touchpad. My Flex is on my left (non-dominant) hand, and my results are well within my expectations for other movement.] Third, MEASURE YOUR STRIDE. If you walk, as I do, try this: Put a pencil or other straight object on the ground, just behind your heels. Walk 10 steps, bringing your heels together on the last step. Put another object behind your heels. Measure the distance in inches between the two straightedges and divide by ten. Bingo: You just got a fairly accurate stride. If you are a runner, run a known, accurately measured distance, **counting your steps.** Divide the distance by steps and convert to inches. No, the Flex doesn't have an altimeter, so it can't measure "flights of stairs." (Neither can the One, actually: it measures 10' changes in elevation.) But nothing in the Flex's literature should have given you any impression that it has an altimeter. So not having something it never purported to have, is not a problem with the device. If you do even the most basic research, you'll know the Flex only syncs via Bluetooth to a very, very few Samsung devices (two or three, I believe) and iPhones/iPads. On the other hand, it doesn't suck your Android's battery if you can't sync via Bluetooth. It takes _maybe_ two seconds to sync to my computer via the USB device, and by the time I look at my phone or tablet, the updated info is in both the Fitbit app *and* MyFitnessPal. (If you really want to sync to your phone or tablet, there are cables available to accept the Flex's USB dongle, and plug into a micro-USB port.) Before getting my Flex, I was using the Android app CardioTrainer. I'm still using CardioTrainer, because (a) it's on my phone and (b) I get to listen to music while I walk. The step counts between the Flex and CardioTrainer are within 1 percent of each other (using the same stride length, and having the phone in a back pocket). No, of course the Flex isn't a heart-rate monitor. So no, of course it's not going to *precisely* tell you how many calories you've burned. But the algorithm should be useful for the vast majority of people. If need or want pinpoint accuracy, then yes, you need a heart-rate monitor. Bottom line: For what it is intended to do, the Flex is as close to perfect as I could ask for. Everything I expected it to do, it does, and very, very well.

It counts steps and tracks sleep. Yes, it's not as fancy as the others. It doesn't tell time or count floors. But it does what it does well. And I like it because the band is changeable. The tracker fits into the band. So you can find another band you like more and use the same tracker in it. Or, if like me, you wear splints to bed, a wristband can be painful at night. So I found a clip online I could put the tracker in at night. This let me still track my sleep. My husband's Fitbit HR can't do that.