The Alta HR is Fitbit's most stylish heart-rate tracker to date. It lacks an altimeter for stair and hill climbing stats, but its 24/7 heart-rate monitor will help you get fitter, lose weight, and better monitor your sleep.

Fitbit is arguably one of the most well-known companies when it comes to activity tracking, monopolising around 70 per cent of the market. It not only offers a huge selection of devices in comparison to its competitors, but it also offers an excellent interface to match.

Best Fitbit design to date; excellent 5-day battery life; comfortable to wear; nice display; notifications; accurate step-tracking; fantastic app platform

No heart-rate monitoring; no altimeter; no waterproofing; inaccurate distance-tracking; display not always super responsive nor visible in bright light

The Fitbit Alta was popular with our testers and performed well during our lab tests. The tracker has a stylish design, with a touchscreen that displays all the information you need to track your daily activity like steps and calories burned.

Sends hourly movement reminders; Displays smartphone notifications; SmartTrack senses the type of exercise; Sweat and splashproof; Interchangeable wristbands; Easy-to-swipe touchscreen; User-friendly app; Sleek and comfortable fit; Automatic sleep tracking

Hard-to-use strap; Tough to read in sunlight; No heart rate monitor; Relatively short battery life

This is my 3rd upgrade in two years. I started with the Flex, then got the Charge, and finally this. This was much sleeker, and imho, more stylish. I liked that you can change the bands as the Charge was a fixed band. I am debating the bracelet band once it comes out.

I've had the Fitbit Alta for about a month now. I love it! I love knowing how many steps I've taken and it is always a challenge to be better than the day before. When I was shopping around for a Fitbit, I was debating getting the Alta or the Blaze.

Update : Fitbit has beefed up the sleep-tracking capabilities of its companion app. The new feature, called Sleep Schedule , does much more than just track the amount of time you've slept each night, it learns from your habits and compares them to the anonymously collected data of other Fitbit...

I really like this fitbit. It's relatively discreet so it's not bulky and I like how slim it is.The features are great and are really helpful when synced with the app on your phone.

If you've ever been in the market for a fitness tracker, chances are you have heard of Fitbit. The company is the obvious leader in wearable devices, as per reports from market researcher IDC , but it has been facing growing competition from Apple, Xiaomi and Jawbone, which have all been grabbing...

Thin and stylish; Accurate automatic sleep and activity tracking; Great battery life; Helpful hourly reminders to move

SmartTrack sometimes detects exercise when there is none; Notifications aren't very useful; No waterproofing; Classic and leather straps can be a hassle to put on

Fitbit's lineup of activity-tracking bands runs the gamut, from the totally basic US$60 Zip to the powerful cardio companion, the US$250 Surge. The new Fitbit Alta is a sleeker, more stylish fitness band than the company has attempted before, and with its launch, the wearables market leader has hit...

Tells time, lets me know when I receive texts, phone calls and syncs with my phone well. It does what I want it to and I have had no issues with it. It does not do heartbeat but I don't care too much one way or another on that feature.