Fitbit Charge 4 Review, Feature, And Specifications

The Fitbit charge 4 has definitely gained or tag of the best fitness tracker. The Fitbit Charge 4 is almost identical to its predecessor Charge 3, including its look, design, and features.

Fitbit Charge 4 vs Fitbit Charge 3, Fitbit Charge 4 Review

But Charge 4 comes with a built-in GPS and NFC to make a significant difference, and it has also become a fully-fledged sync watch. The cherry on the top is that it has no increase in price as compared to the former version.

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Fitbit Charge 4 Review, Features, and Specifications

Before we start Fitbit Charge 4 review, have a quick look into the specs of Fitbit Charge 4.

Fitbit has offered a variety of devices in its chain of tracking fitness devices. This includes simple and plain HR to the GPS sports watch, etc. The Fitbit charge 4 has  Music navigationbuilt-in GPS, and many other features. 

As it got an in-built GPS, you do not need to carry your smartphone for route navigation. It allows you to explore unknown routes. 

Design of Fitbit charge 4

Fitbit Charge 4

The most awaited Fitbit charge 4 released on 31 March 2020, and now it is available for online purchase. It also has incredible fitness and health tracking system, out of which you can easily keep a record of steps, calorie burn, swimming metrics, and other parameters.

The design of the latest version is almost similar to the former in terms of its shape and size. It is sleek, and its dimensions are 35.8 mm× 22.7 mm x 12.5 mm. The Fitbit Charge 4 is exceptionally lightweight, and it can be easily worn day and night. 

Related Post: Fitbit Charge 4 and Fitbit Charge 3 Comparison

It comes in two different versions, out of which the users can choose the desired one. Its standard edition has a robust silicone strap black in color having Rosewood (shade of purple) or storm blue/ black parts.

The latter one has two straps, one is black silicon, and the other has reflective nylon. Both of them look a bit tweed and become a smart choice for formal gatherings. 

The straps are easy to remove and attach, and they are provided with two sizes to fit in the wrist size. The screen color of the device is black and white, which obviously not a drawback in its reviewThe backlit display is OLED, which is bright and clear and equally visible in the direct sunlight.

If you compare Fitbit devices, then you will find that all of its health-tracking product range is highly beneficial for all fitness enthusiasts.

The touchscreen is also responsive and brighter in real life that allows a smooth transition across all the menus. 

On swiping up, you can reveal the regular stats, like the workout time, distance traveled, step count, burn calories, and so on. 

Another button takes you back to the previous menu, and a gentle buzz accompanies the selections. 

Swiping down will take you to the calls and texts, and if you do not want to get disturbed, then you can press and hold the screen.


Fitbit charge 4 can be said as a compact fitness tracker for monitoring outdoor as well as indoor activities with ease. 

Heart rate monitoring

Fitbit Charge 4 has enough consideration for measuring continuous optical heart rate with accuracy. The heart zones of this tracker are personalized based on the age, resting heart, or max rate of the person. 

It is a perfect choice to control or eliminate the risk of heart diseases or chokes. You can keep a check on heart rate to track the calorie burn and optimizing workouts to meet your fitness objectives.


As it got an inbuilt GPS, it can provide more accurate running, outdoor cycles, hiking, walking, and swimming data. This feature was missing in Fitbit Charge 3 and now Fitbit has fixed this problem in its latest model. It is very useful for people who can not carry their smartphones during a workout, especially the swimmers.

Swim Tracking

It is water-resistant up to 50M and instantly tracks the swim metrics. The built-in GPS makes it ideal for both open and closed pool swimming. Also, you can wear it while washing your hands or even when taking a bath.

Sleep tracking

It has best-in-class sleep tracking features. With Fitbit Charge 4, you can track sleep patterns, sleep duration, and sleep stages. To avoid notifications during sleep, you can easily flip the sleep mode with vibrations and screen light options at night. 

In the premium version of Charge 4, you can also get the feature of tracking restlessness or sleeping heart rate patterns.

Spo2 monitoring

It is a powerful metric through which you can get an estimation of the blood oxygen level in your body. This parameter is essential to spot energy levels, breathing difficulties, and sleep tracking.

Music control

Along with fitness assistance, Fitbit charge 4 comes with music control and Spotify control. With this feature, you can enable Spotify music control with the premium account being activated on your mobile phone. 

Unfortunately it does not have music storage capacity. This is a big drawback for those who want to love phone free music.

Battery and Charging

Charger for Fitbit Charge 4

The Fitbit Charge 4 can last for seven days in normal mode. However, the GPS battery life is shorter in this device, where it can last for 8 or 9 hours with GPS enabled. 

The Fitbit Charge 4 gets charged through a USB cable that connects it to watch through a large clip. Also, it is easy to align the connectors that clamp securely along the body of the watch. 

Active zone minutes

With Charge 4, a unique fitness matric introduced known as active zone minutes. It measures the time that you have spent in the selected heart rate zone and tracks the progress towards the fitness goal every week. It also calculates the heart rate based on your age and improves the overall fitness level of the body.

Additional Perks

Now Fitbit provides a free trial of 90 days on Fitbit premium to help you stay fit and active. 

The Fitbit provides a free trial of 90 days on Fitbit premium to help its users to stay fit and active. You can unlock all the premium features on the Fitbit application. 

NB: If you do not want to continue with the premium subscription, then Make sure you cancel it before the trial period ends. Otherwise, you will get charged for the next month. 

NFC allows its users to make contactless payments via Fitbit pay. You can also control the Spotify musical app on your device with the help of Bluetooth connectivity. 

Final Verdict

Still, confused? If you are really looking for an excellent fitness tracker at a reasonable price, then it is worth consideration. 

Fitbit Charge 4 is one of the best fitness tracking devices for active people. It can track and maintain accurate health records to manage your fitness routines. The combination of all these beneficial fitness features makes Charge 4 unique fitness trackers in the market. 

I hope this Fitbit Charge 4 review has helped you in understanding the device before you upgrade. If you have any queries, please feel free to comment below or contact us through our social media channels.

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