Fitbit Blaze Smart Fitness Watch

7/10 (Expert Score)
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The Fitbit Blaze scores first with its sleek and chic design, which sets itself apart from many other more athletic-looking fitness watches.

Last updated on January 21, 2019 7:47 am


The Fitbit Blaze * is a fitness watch from Fitbit, which is located at the border between fitness bracelet, GPS sports watch, and smartwatch, as it has features and functions of all three types of devices.

The Fitbit Blaze scores first with its sleek and chic design, which sets itself apart from many other more athletic-looking fitness watches. After some time on the wrist, you hardly notice them anymore, as they are comfortable to wear and very light.
The bracelet that holds securely on the arm through a pin buckle can be easily replaced; There are also higher-quality removable wristbands made of leather or metal available (which, however, are relatively expensive at about 100 euros for the leather and about 140 euros for the stainless steel bracelet).
The touchscreen reacts quickly and the color display has a relatively high resolution. The display turns on when you turn the wrist (so it is not always readable as with other fitness watches, for example, the Garmin vivoactive ).

Product image Fitbit Blaze heart rate sensor► Buy from Amazon *

The operation works very well, it is thoughtful and intuitive. It runs over three buttons as well as over the touch display. You can switch between the following screens by swiping on the touchscreen: Today, Exercise, FitStar, Timer, Alarms, Settings . You can go back over the left, single button, the two right buttons are used to control sports activities.

A disadvantage of Blaze is the lower robustness compared to others: It is not waterproof and also looks a bit scratch-prone – there are GPS sports watches such as the Polar V800 already a different caliber. After about five days (depending on the degree of use), the battery is empty. To charge the Blaze, it must be disconnected from the wristband and plugged into a proprietary charger (included). Charging takes about two to three hours.

Good activity tracker functionality

The Fitbit Blaze counts the steps, measures the distance, estimates the calorie consumption and registers the climbed levels. Good is that the heart rate is measured at regular intervals around the clock, which gives a more accurate picture. A reminder of inactivity you get from the Fitbit Blaze unfortunately not. What the Fitbit can do is record your sleep. It is also possible to wake up with a vibrating alarm. It is also possible to set and track a daily destination.

Product image Fitbit Blaze blue

Fitbit Blaze

► Buy from Amazon *

The supported sports include yoga, weight training and cardio exercises in addition to running and cycling. After 10 minutes, activities will automatically be detected by the watch if you forget to manually start an activity.

Fitbit blaze app

A special feature of the Blaze is the Fitstar app : These are three training programs that can also be used independently of the smartphone. The exercises are also clearly visible on the small display. There is a warm-up program, a 7-minute workout with 13 exercises and an abdominal workout program.

GPS transmitter is unfortunately not available, but the Blaze uses the GPS transmitter of the smartphone back (but of course you have to have it here).

The Fitbit Blaze has an optical heart rate sensor on the wrist, which records the pulse around the clock. When starting a sporting activity, the pulse is recorded to the second. Unfortunately, it is not possible to connect an external heart rate sensor (chest strap) to the watch. The accuracy of wrist pulse measurement is less accurate than with a chest strap. Therefore, the Fitbit Blaze is not suitable as a fitness watch for ambitious athletes.

Smartphone features of Fitbit Blaze: Extensive for a fitness watch, much less than “real” smartwatches

The Blaze is positioned by Fitbit as a smart fitness watch, and it also has some smartphone features: messages (unfortunately not from social apps like Whatsapp), calendar entries and incoming calls are displayed directly on the fitness watch when the smartphone is turned on connected via Bluetooth. For e-mails, there is, unfortunately, no notification, but it is music control of the Blaze possible.

A difference with smartwatches is that there are no additional apps for the Blaze that go beyond what is installed on the “factory-made” fitness watch (eg the Fitstar app).


Product image Fitbit BlazeThe Fitbit Blaze is an exceptional heart rate monitor without a chest strap – the concept is different from the more sports-oriented Garmin and Polar devices: It is designed for athletic people, but not for professional athletes, but scores with their design. 
It is well suited for you if you want to have a chic, lightweight fitness watch that you want to use as a smartwatch and activity tracker and if you do not mind the lack of water resistance and the missing GPS.

A good alternative is, for example, the Garmin vivoactive – this also has a light, slim design, can not pulse measurement on the wrist but is always readable and is waterproof. An alternative from the same manufacturer is the Fitbit Surge *, which is slightly heavier and has a less pleasing design, but has GPS and a constantly readable display.

Value for money
Test result
+ Positives:
  • Good equipment
  • 24/7 heart rate measurement on the wrist
  • Can also be used as an activity tracker in everyday life
  • Fast color touch display with high resolution
  • Good smartwatch features
  • Bracelet changeable
  • Vibration and "silent alarm"
  • Very nice design
- Negatives:
  • No chest strap connectable
  • GPS only via connection to smartphone
  • No permanent display
  • Not suitable for swimming

Additional information

Specification: Fitbit Blaze Smart Fitness Watch



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3.8 out of 5 stars 1,396 customer reviews

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546 in Sports & Outdoors (See top 100) #8 in Electronics & Photo > Phones > Mobile Phones & Communication > Smartwatches

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