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Fitbit Flex 2

Fitbit Flex 2
alaScore 97

1386 reviews


alaTest has collected and analyzed 1386 reviews of Fitbit Flex 2. The average rating for this product is 4.4/5, compared to an average rating of 4.2/5 for other Activity/Fitness Trackers for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Activity/Fitness Trackers the Fitbit Flex 2 is awarded an overall alaScore™ of 97/100 = Excellent quality.

Review analysis

(Based on 1386 reviews)

Expert Reviews  

User Reviews  


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Showing 1 - 10 of 1024 Show Reviews: in English | in other languages (362)

Expert review by (stuff.tv_in)

Fitbit Flex 2 review


Fitbit's cheapest tracker is a good'un

Accurate tracking ; Comfortable fit ; Easy-to-use app

No display ; Cheaper trackers are available

A good, cheap fitness band with a great app


Expert review by : Britta O'Boyle (

Fitbit Flex 2 review: Simple, stylish tracking


The Flex 2 is the sequel to the Fitbit's original all-day activity-tracker . It brings together fitness-tracking and sleep-tracking into a simple yet stylish wrist-worn design. The Fitbit Flex 2 is a simple yet effective tracker with a more exciting...

Waterproof, slim and stylish design, interchangeable accessories, accurate basic tracking, good value, great app platform

No elevation data, no GPS tracking, basic features, battery life could be better still, no third-party notification support

The Fitbit Flex 2 is a simple yet effective tracker with a more exciting design than its predecessor. Not a great deal has changed in terms of looks, but Fitbit has done enough to ensure the new-generation model doesn't look like a boring rubber band....


Expert review by : Andrew Williams (

Fitbit Flex 2 review


Fitbit's Flex is back for round two

Comfortable and light ; Fun software ; Water resistant

Battery life not great ; Slow to charge ; Feature-light hardware

The Fitbit Flex 2 is a solid choice for those after something simple, as well as those who are in need of a water-resistant tracker. It's smaller and sleeker than the original, but at the cost of battery life.


Expert review by : Richard Easton (

Fitbit Flex 2


The original Fitbit Flex sat at the entry-level end of Fitbit's product range. It was a relatively discreet tracker that did the basics of activity and sleep tracking, but offered little beyond that.

The Fitbit Flex 2 is a solid upgrade over the original, but it’s still a rather basic activity tracker for the money.


Expert Reviews Recommended

Expert review by : Jonathan Bray (

Fitbit Flex 2 review: Fitbit's budget tracker


Despite a few annoyances, the Fitbit Flex 2 is a near-perfect affordable fitness tracker

Waterproofing and swim-tracking ; Easy to use ; Helpful app

No GPS or heart-rate monitoring

That being said, if you’re just trying to achieve a healthier lifestyle, you won’t be disappointed with the Fitbit Flex 2. It’s seriously easy to use, with a great app that offers a decent amount of helpful data to give you a leg-up when reaching for...


Expert review by : Simon Jary (

Fitbit Flex 2 review


The Flex 2 is a chic, minimalist fitness-tracking waterproof wristband (with bangle and pendant accessories) that will keep you motivated for exercise. Here's our Fitbit Flex 2 hands-on review.

The Fitbit Flex 2 is a chic and slim, lightweight wristband (with bangle and pendant accessories) that tracks and monitors your daily activity and sleep patterns. You can compete with Fitbit-using friends. The waterproof Fitbit Flex 2 will give you...


Expert review by (

Fitbit Flex 2 review


Fitbit's cheapest tracker is a good'un

Accurate tracking ; Comfortable fit ; Easy-to-use app

No display ; Cheaper trackers are available

A good, cheap fitness band with a great app


DT Recommended Product

Expert review by : Abigail Bassett (

Fitbit Flex 2 review


Fitbit Flex 2: The waterproof tracker is smaller, lighter, and better looking than the old Flex but it's still got a few issues.


Expert review by : Timothy Torres (

Fitbit Flex 2


With the Flex 2, Fitbit upgrades its original entry-level fitness tracker with a fully waterproof design, color LEDs, automatic activity tracking, and a variety of ways to wear it.

Waterproof. LEDs indicate notifications. Interchangeable band, bangle, and pendant accessories. Comfortable, slim design. Accurate measurements.

No display. Lacks manual activity tracking.

Conclusions When it comes to $99 fitness trackers, it comes down to the Fitbit Flex 2 and the Misfit Ray. They each deliver accurate measurements, notifications from your phone, silent alarms, and they're both waterproof. The Flex 2 has more indicator...


Expert review by (

Fitbit Flex 2 black


But in exchange for that long-overdue swim-friendliness, other features are lost. There's no heart rate tracking, and it doesn't have a display. Are you OK with that compromise?

The Flex 2 is slim and swim-proof, can track basic fitness data and supports a variety of accessories, including pendants.

It lacks a display and the more advanced features of other Fitbit trackers. Lacks heart rate tracking. The LED lights can be confusing; battery life should be better.

The Fitbit Flex 2 doesn't have all of the bells and whistles of other trackers, but it's finally swim-proof, and it does the basics and it does them well.


Product Specifications


Band colour:Black / Lavender / Magenta / Navy
Band material:Elastomer
Colour of product:Black / Lavender / Magenta / Navy
Device Type:Wristband / Wristband activity tracker
Dust resistant: Yes
Housing material:Elastomer, Stainless steel / Stainless steel
LED indicators:Y / Yes
Splash proof:Y / Yes
Waterproof:Y / Yes
Waterproof up to:100 / 50


Display Type:LED
Touchscreen:N / No


Position location:N

Operational conditions

Operating altitude:0 - 9144
Operating temperature (T-T):-10 - 45

Packaging Content

Manual:Y / Yes


Accelerometer:Y / Yes
Active minutes:Y / Yes
Alarm Clock:Y
Calories burned:Y / Yes
Distance traveled:Y / Yes
Distance travelled:Y
Floors climbed:N / No
Hours slept:Y
Memory capacity:30
Motion sensor:Y / Yes
Pedometer:Y / Yes
Position location:N
Quality of sleep:Y
Stairs climbed:N / No / Y
USB charger included:Y
Vibrating motor:Y / Yes
Workout tracking:Y / Yes

Ports & interfaces

Bluetooth:Y / Yes
Bluetooth version:4.0
Connectivity Technology:Wireless
Wi-Fi:N / No


Battery Life:5
Battery technology:Lithium Polymer (LiPo)
Charging Time:2

System requirements

Mac compatibility:Y
Mac operating systems supported:Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks / Mac OS X 10.10 Yosemite,Mac OS X 10.11 El Capitan,Mac OS X 10.6 Snow Leopard,Mac OS X 10.7 Lion,Mac OS X 10.8 Mountain Lion,Mac OS X 10.9 Mavericks
Mobile operating systems supported:Android 4.3, Android 4.4, Android 5.0, Android 5.1, iOS / Android 4.3, Android 4.4, Android 5.1, iOS / Android, iOS

Technical Details

USB charger included: Yes

Weight & Dimensions

Height :3.17 / 31.7
Width:11.1 / 8.9