Fitbit Inspire HR review – The new fitness tracking king?

Watch review

Quick verdict

It may have a slightly lower build quality than the Fitbit Charge 3, but the Inspire HR offers a whole host of features – from heart rate tracking to waterproofness to sleep tracking – at a great price. That’s really remarkable.


  • Value for money
  • Waterproofing
  • Plenty of features
  • Great performance
  • Good OLED screen
  • Slim and discreet
  • Fitbit app is excellent


  • Plastic build
  • Thicker casing than Charge 3 can make it slightly uncomfortable
  • Display should be more dominant within the design

Fitbit’s latest fitness tracking devices are the Inspire and Inspire HR models, which are positioned as the company’s cheap and cheerful trackers. These two devices replace the Zip, Flex and Alta sections and are now under the larger and more powerful Charge 3.

We were big fans of both the Fitbit Alta and Fitbit Flex series, so the Inspire devices need to be filled with some big old shoes. The Inspire HR is the most powerful of the two new trackers, offering not only heart rate monitoring, but also various other features. Is it the new Fitbit tracker to beat?

Design and display

  • Touchscreen OLED display
  • Interchangeable straps
  • Slim and slender design

The Fitbit Inspire HR has a sleek design, with a curved touch screen display dominating. It’s narrower and lighter than the Fitbit Charge 3, wider and slimmer than the Alta devices – but not so high in finish. The Charge 3 has an aluminum case that tapers in towards the wrist – and while the Inspire HR has a similar shape, it opted for plastic, which leads to a more favorable appearance.

The Inspire HR is also thicker and sits higher above the wrist than the Charge 3 and Alta devices. This thickness will affect comfort a little as the unit needs to be tightened relatively tight so that the straps are flush with the wrist – and even then there is a gap that you will not get in Charge 3. Although some adjustments are required, the Inspire HR is comfortable enough for everyday use and while you sleep.

The Inspire HR also has a more rounded display than the Charge 3 and Alta HR, making it fit well around the wrist. Fitbit has introduced a so-called “tension adjustment approach” in which the screen hits the belt. As a result, the display looks floating and is not connected to the belt.

The OLED touch screen itself is clear and clear. A brief tap and metrics appear at the bottom of the main clock display, and are bright enough when worn outside.

However, the screen itself only makes up about half of the area in which it is located. We would have liked to see a bigger display or less bezel. However, it’s responsive enough, even if you do not have the same super fluid experience that you’ve come to expect from Apple Watch. We found HR’s responsiveness better than we did on our non-dominant hand and used it with our dominant hand.

On the left side of the touch screen is located within the plastic housing a physical button for quick control. When this button is pressed, the display is activated, put to sleep, or you return to the main home screen. Holding down the button will bring up quick settings such as battery life and notifications. The Alta devices do not have a button at all, so the Inspire HR is preferable here, although the Lot 3 chooses an inductive button that is more user-friendly than the physical button of the HR.

The bottom of the Inspire HR case is flush with the case of the PurePulse heart rate monitor. It’s a much neater finish than the Alta HR, as it’s easier to stay clean. There are charging pins above the monitor and below that is a Fitbit logo similar to Charge 3 and Alta. However, unlike other Fitbit devices, there is no Fitbit branding on the front of the Inspire HR.

Like all other Fitbit devices, the Inspire HR has interchangeable straps. By default, there is a silicone bracelet we really like because it is easy to clean and comfortable. In addition, various other official options, including leather and metal, are available. The strap change mechanism has been changed for the Inspire devices. Both models feature quick-release pens for a refined look.

Like the Alta and the Alta HR, the Inspire has a needle system for attaching the strap while the Inspire HR has a buckle. We tried both and the buckle is much safer and easier to put on and adjust.


  • Swimproof and swim tracking
  • HR, VO2 Max, Connected GPS
  • Activity and advanced sleep tracking
  • Smartphone notifications

One of the best features of the Fitbit Inspire HR is its water resistance of up to 50 meters. The devices Alta and Alta HR were both splash-proof, which was one of their biggest drawbacks. Until the introduction of Batch 3 with 5 ATM water resistance in 2018, the Flex 2 tracker was the only Fitbit activity tracker to offer water resistance. So it’s a great feature to be found along with swim tracking (only available in the HR model, not in the standard Inspire).

Full-day activity and sleep tracking are also available on Inspire HR, while Fitbit’s SmartTrack feature provides automatic workout detection. It is also possible to start a specific workout from the tracker. The device can accommodate six exercises in the practice menu. These six shortcuts can be changed in the Fitbit app. There are a total of 21 to choose from, including tennis, boot camp, elliptical trainer and golf.

The Inspire HR also offers 24/7 continuous heart rate tracking, Connected GPS, VO2 Max and 15 goal-oriented exercises including running, cycling and swimming – all the standard Inspire model does not offer. The goal-based training feature that started with Batch 3 allows you to choose a specific goal for these exercises, such as: B. Duration or calories. Also, health data collection for women is on board – a feature that was introduced on the Fitbit Versa in 2018 – and is also available on the Inspire.

Thanks to heart rate monitoring, the Inspire HR offers advanced sleep tracking as the standard model. The HR has sleep phases like Charge 3, which means that users can keep time awake, REM time, light sleep time, and deep sleep time.

In terms of other features, the beautifully curved display features a dashboard on the device – it shows the steps taken, the distance covered and the calories burned. So you can scroll through your statistics via the touchscreen by tapping on your home or swipe up screen. Swinging down from the Home screen will take you to various menu options, including Exercise, to allow you to select an Exercise Link, Guided Breathing and Timer, and Stopover options.

Advanced smartphone alerts are also on board. Notifications reflect your smartphone and you can choose which apps you want to view and which not. As soon as a notification is displayed on your smartphone by an app such as WhatsApp or Facebook, the corresponding app will be displayed in the Inspire HR notifications area in the Fitbit app. It is then possible to turn this app on or off.

It’s worth noting that although you can receive notifications, you can not act like a smart watch with them. Instead, you will be prompted to track the behavior of your phone.

Performance and battery life

  • Five-day battery life
  • Special charger

Overall, the Fitbit Inspire HR performs very well. We got it together with an Apple Watch Series 4, which is great for tracking heart rate and training, and the Inspire HR is almost equivalent. The heart rate measurement was occasionally a few beats lower than the Apple Watch, although some deviations are expected in wrist-worn devices, since none are 100 percent accurate.

For workouts, the Inspire HR performs excellently. Automatic training detection is very simple without you having to confirm what you are doing. It only works in the background and logs all your data in the Fitbit app, so you can later call and edit them as needed.

A weighting session that we intentionally recorded with our Inspire HR was similar to the HIIT session we recorded with our Apple Watch, both in terms of calories burned and heart rate. The results of the devices differed only by six calories. Considering that the Apple Watch is four times as expensive as the Inspire HR, Fitbit is doing pretty well.

Sleep tracking is one of the areas in which Fitbit excels, and the Inspire HR continues to offer greatness. We have a small child, which means there is not a full night of uninterrupted sleep in our world – an excellent opportunity to test sleep accuracy, right? The Inspire HR was just right every night and showed exactly when we were awake.

In terms of battery life, the Fitbit Inspire HR promises a lifespan of five days per charge that we’ve found to be accurate day and night with the device. This is a little less than the one-week life of Charge 3, but there is still a fairly long time between charges.

As is common with Fitbit devices, the Inspire HR does not use a standard USB C or microUSB charger. Instead, a small cable with a special charging station is included in the delivery. The pins on the bottom of the HR must be aligned with the pins on the cradle for charging to take place. It works fine, though we still think a standard cable solution would be more versatile.


Mit gutem Herzfrequenz-Tracking, Wasser- und Schwimmtracking, verbundenem GPS, geführten Atemübungen und fortschrittlichem Schlaf-Tracking ist der Fitbit Inspire HR für alle, die einen schlanken und leistungsfähigen Fitness-Tracker suchen. Es mag eine etwas billigere Verarbeitungsqualität haben, aber die für den Preis angebotenen Funktionen sind wirklich bemerkenswert.

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