fitness accessory

Cardio watch : best brand comparison by Musklor

On November 27, 2020

If you are an athlete and you want to look for the best watch to use in the gym, this article is for you!

Sport is an activity you do well and very important for your body and your health.

The best cardio watches in 2024.

Check Price

When you train in a gym or privately, you get professional help to achieve your goals in the best possible way.

But today, with technology, we can rely on the help of more modern means, such as equipment that helps you achieve higher performance and your goals.

The new cardio watch – in addition to many other services – helps you to practice your physical activities, whether in the gym, on the street or at home.

They connect to your smartphone and are used to answer calls, use GPS, view time, and many are equipped with a heart monitor, workout program, distance meters and can also be waterproof.

To ensure you can have all of these benefits on your wrist, we’ve compiled a list of the best sports watches we’ve found on the market this year.

For this, we have included the smart watches and all their features.
We have analyzed some of the models available on the market and highlighted their features so that you can see which ones are the most interesting.


What is a cardio watch?

This type of watch appeared in the mid-80s as a calculator watch and was improved until we came to the ones we have today, with different functions and which are now integrated into our phones.

They have been perfected to help us in various tasks, wearing them on our wrists, such as answering the phone, for example, since they have the features we have in cell phones, but in a more simplified and compact way.

In the case of physical exercises, they are much more convenient to carry than the cell phone itself. They are ideal for those who do sports.

The cardio watch has a wide range of features.

In addition, it offers many possibilities for those who also want to use the watch as an accessory, after all, that’s what it’s all about.

There are also smartbands, i.e. bracelets that only offer important health information while exercising.

But if you’re looking for a device that offers more options for your daily life and is more complete, opt for a cardio watch.

It will allow you to take calls, receive messages, in some cases answer them as well, and wear it with your clothes.

How to use it in the practice of sports?

When you walk with it on your wrist, it proves to be an excellent accessory to help you in your sports practice. In addition to being used in case you don’t train in a gym, but would like to run or walk, it can be used in many ways and for those who already attend a gym or have a personal trainer.

These watches have very similar characteristics to those of smartphones. So you can even continue your usual activities while running on the treadmill or on the street and take the opportunity to respond to a message, email or call.

Not to mention that you can find your way back with the GPS, which is usually integrated. This is a watch with exceptional features for sports enthusiasts.

Among the many features of these accessories, here are a few of them :

  • Calendar and exercise schedule
  • GPS tracker
  • Enable the use of applications during your training
  • Heart Rhythm Control
  • Calorie Burn Control
  • Distance travelled and time
  • Oxygen level in the blood
  • Performance Marker
  • Listen to music
  • Others

In addition, to put it in practical terms, some even allow you to pay bills.

Some models can be used even in the greatest temperature variations.

Since many are waterproof, you don’t have to worry about sweating or splashing water during your workouts.

Buying Guide: Things to consider when making your choice

There are a few important criteria that you should consider when making your purchase.

To find out if you can train using only a small wrist device, consider the following factors.

First of all, make sure your phone is really a smartphone that is compatible with your watch, as it is connected via Bluetooth and needs an application to work on both devices. And also check the operating system used on your phone.

If you buy one of these devices, you need more than just a heart monitor. They have GPS, that monitor, distance and time monitoring, and physical activity tracking.

Others don’t come with phone features, but allow you to download applications.

Define the sport you want to practice, if it is running or walking, look for a cardio watch with a counter, if during the workout you like to listen to music, then choose one that has the possibility to play music.

If you practice water sports, choose a water resistant watch to be able to swim and train.

What are the best cardio watches?

We will now bring you the watches we have selected as the best models for you to use at the gym or during your workouts.

Each of them has different functions and uses, so take a good look at each model to see which one best suits your workout pace and needs.

Check Price

M430 Polar Watch

Best cardio watch

Brand: Polar | Color: Black | Storage capacity: 8 MB | Weight: 51g | Battery life: Up to 8 hours | Connection: Android and iOS | Language: Portuguese | Water resistant: Yes, suitable for swimming | Connection technology: GPS | Other features: Wireless

The M430 Polar Watch is the best cardio watch. In addition to the watch, you will receive a cable for charging and manuals. It has wrist heart rate, running functions and the Polar Running program, designed especially for runners in action.

With advanced technology, yet simple to use, made for all levels of runners. With the wrist sensor for heart rate capture, there is no need for an extra strap. You can use it on a treadmill, the watch can control your pace and distance traveled, for those who like to run on the street, it gets the same factors, but also altitude.
To help you recover completely after an exhausting day, the watch has a program called Polar Sleep Plus, which gives you tools to sleep better. It also offers advanced functions. It has a running training program that adapts to the user’s goals.

With Running Index, you will be able to monitor your running performance and you can easily do a fitness test with the heart rate monitor. The Polar brand also offers a platform called Polar Flow, which is super complete and is available on computer and cell phone.

So you can automatically synchronize your data with other services like Strava or TrainingPeaks. You can plan your workouts, track your performance and much more. With the M430 clock, you can also monitor your sleep and daily activities.

Xiaomi Mi Band 4 watch

Best cost-benefit ratio

Brand and model : Xiaomi Mi Band 4 | Color : Black | Screen : AMOLED touchscreen | Weight : 22.1 g | Battery life : Up to 20 days | Connection : Android and iOS | Language : Portuguese | Water resistant : Yes | Bluetooth : Yes | Screen size : 0. 95 inches | Hardware: TPU | Battery life: 20 days | Maximum resolution: 120 x 240 px | Maximum depth of water resistance: 50 m | Internal memory: 16 MB | Display type: Touch

The Xiaomi Mi Band 4 is the best watch for the cost-benefit ratio. It is an original watch, which is compatible with several models of Android and iOS phones. The design and display of the watch is done through a 1.95 cm AMOLED screen with a screen brightness of up to 450 nits.

This model is an evolution of Mi Band 3 and has a completely new and now colorful user interface.

The display is touch sensitive and reacts very well in the most diverse situations. It has a manual brightness adjustment mode and to ensure greater durability, this model is reinforced with tempered glass and an anti-fingerprint coating to prevent scratches and fingerprints on the screen.

The battery has a capacity of 135 mAh and lasts up to 20 days according to the manufacturer, but you can easily spend the 15 days with this model in moderate use. It is worth mentioning that it takes about 2 hours to fully charge the watch.

The Mi Band 4 is water resistant and can be submerged up to 50 m deep.

As a cardio watch, its functions include counting the steps and calories burned, the distance traveled.

It now marks time during your activities and has 6 training modes: treadmill, outdoor running, exercise, walking, cycling and swimming. With heart rate monitoring, alerts and sleep monitoring. Compatible with Android 4.4 and IOS 9.0 or higher.

In addition to the functions we mentioned above, the Mi Band 4 also features a stopwatch, alarm clock, phone unlock, “Find my cell phone” function, trouble-free mode, event reminder, music controls and lock screen. The internal memory is 16 MB and the device works via bluetooth.

Fitbit Charge Watch 3

Best Women’s Watch

Brand: Fitbit | Color: Black | Water Resistance: Yes | Battery Life: Up to 7 days | Weight: 29g | Connection: Android, iOS and MAC OS X | Language: Portuguese | Bracelet Material: Silicone
Make every beat of your heart worthwhile with the Fitbit Charge 3 fitness bracelet.

Optimize your workouts with heart rate monitoring, multi-sport modes and GPS connected to your smartphone.

Track your activities during the day and your sleep at night. Get the most out of your routine with smartphone notifications, movement reminders and breathing guides.

Fitbit Charge 3 is the best watch for women’s fitness. It doesn’t have a chest strap or GPS, but it is water resistant. In black, with heart rate monitoring and fitness bracelet.

With it, you can monitor your calories and burn them constantly, to achieve the goals you want. This model also allows you to customize the display screen to suit your style.

The battery lasts up to 7 days and activity monitoring is always on. This feature allows you to monitor all of your activities throughout the day, for example how long you burn calories by walking, running, jumping or even climbing stairs, etc.

Its screen, like the other models, is also touch-sensitive and has a backlit screen that adapts to the lighting of the environment, showing statistics and notifications.

There are more than 15 options of exercise modes, such as running, swimming, cycling and many others, and you receive statistics in real time during training, which helps you to improve in order to achieve your goals.

The Fitbit Charge 3 is water resistant to a depth of 50 meters, allowing you to use this model with peace of mind in the shower and in the pool.

It is wirelessly synchronized with computers and over 200 Android, IOS and Windows devices.

Through an application panel, you can control and monitor your statistics and your physical condition.

Fitbit Sports Clock Versa 2

Best Android cardio watch

Brand : Fitbit | Color : Black | Storage capacity : 4 GB | Weight : 38g | Water resistance : Yes | Battery life : 4 days | Language : Portuguese | Gender : Unisex | Age : Adult

The Fitbit Versa 2 is, according to our evaluations, the best Android wristwatch for sport.

With it, you can press a button and talk to check the time, see reminders and much more.

It helps you understand how you sleep, get better habits and always wake up on time, and gives you personalized recommendations on how well you sleep each night.

In the Fitbit application, the most relevant information on sleep, physical activities, heart rate monitoring, set goals and recently practiced physical exercises are available.

It is always possible to activate the sleep mode in order not to be interrupted by notifications for a certain period of time, usually at night.

You can also monitor your heart rate during training and trigger reminders, health information, and other things that can help you achieve your goals.

Versa 2 is waterproof to a depth of 50 meters, so you can take it with you for your swims and pool dives.

With more than 15 exercise modes such as running, swimming, cycling, yoga and more, you can monitor your performance, distance traveled, all by pulling GPS data from your phone.

In addition to a high-end finish, this model also has a very modest and discreet appearance, allowing you to use it in any occasion.

Control your calendar, adjust your playlist, do your shopping and everything else you need right from your wrist. It’s a great choice for anyone who wants a watch to not only monitor gym data, but also to manage notifications, reminders and more.

Samsung Galaxy Fit Watch

Cheap cardio watch

Brand : Samsung | Color : White | Screen size : 1.74 inches | Weight : 15g | Battery life : Up to 13 days | Water resistance : Yes | Language : English

Samsung Galaxy Fit is a good and cheap cardio watch for those who want to save on their budget.

With a very minimalist look, this watch is a good alternative for those who want something discreet and does not attract a lot of attention like other models on the market.
It is super easy to use and it is a compact and simple model that allows you to clearly see all the information you need without major difficulties.

Galaxy Fit is super light and allows you to keep track of your workouts and exercises, as well as receive notifications from your smartphone.

It is robust, military grade and certified water resistant.

It automatically detects hikes, runs and exercises, allowing you to track every step and keep track of your sleep with the Automatic Sleep Tracking feature.

Huawei Honor Band 5 Watch

Best watch for multifunctional gymnastics

Brand : Huawei | Color : Black | Screen size : 0.95 inches AMOLED | Water resistance : Yes | Weight : 22g | Battery life : 10 days | Connection : Android and iOS

The Huawei Honor Band 5 is an excellent watch for multifunctional gymnastics.

It is compatible with several models of cell phones such as Xiaomi, Samsung, Motorola and Iphone and the connection with this type of device is via Bluetooth 2.4 GHz.

Its battery lasts from 6 to 14 days depending on the features you use. The maximum time needed to fully charge the device is about 1.5 hours.

It is equipped with a PPG heart rate monitor on the side and its AMOLED display has a color screen that is waterproof up to 50 meters deep.

It is suitable for all types of sports, including water sports, but care should be taken when exposed to very hot water.



We hope we have helped you choose your cardio watch model. Tell us what brand you like most and what model you use.