5 Best Heart Rate Monitors Without Chest Strap of 2021

If you are looking for the Best Wrist Heart Rate Monitor Without Chest Strap, I have prepared this most up to date guide for you.

Let's be honest, the best strapless hear rate monitors can be challenging to find with the many options the market has. Aside from that, these monitors also offer a variety of options that you end up getting confused which one to pick.

Regardless of how your active lifestyle goes, there is a wrist heart monitor without chest strap that is perfect for you. Check out the list we came up to help you narrow down your choices.

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Best Heart Rate Monitor Without Chest Strap in 2021

1. Fitbit Blaze Smart Fitness Watch

Our Independent Rating


  • Simplified heart rate zones with PurePulse
  • Uses multi-sport tracking and records with SmartTrack
  • 3-axis accelerometer
  • Provides workout goals and summaries
  • Multi-faceted clock faces
  • Strapless
  • Most accurate


  • Size: Small (5.5 - 6.7 Inch)
  • Functions: Average Speed, Stopwatch, Multi-Sport, Wireless, Average Heart Rate, Alarm
  • Color: Black, Silver, Blue, Pink, Plum
  • Activity: Fitness, Gym & Training, Yoga, Pilates, Walking
  • Single Charge Life (up to): 7 days
  • Compatibility: Android and iOS

Let's start our list of best wrist heart rate monitor without chest strap with the popular Fitbit.

Fitbit started in 2007 when its founders Eric and James thought of putting together sensors and wireless technology to understand their journey to fitness and health. Together with their team of passionate health enthusiasts, they embarked on a mission to build products that will help transform people’s lives, making them healthier and more active.

Blaze Smart Fitness Watch is one of the most popular Fitbit has in its line of products. Marketed as the ultimate “smart fitness watch,” it offers robust fitness tracking, with the basic smartwatch functionalities.

It doesn’t look as sophisticated as most smartwatches but, that’s only because what you see isn’t always what you get. Use it for a few weeks & it will make you think of wearing nothing else than it.


  • Nice color screen
  • Long battery life
  • Consistent exercise tracker
  • Various strap options
  • Works with both Android and iOS


  • No integrated GPS
  • Non-water resistant
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Fitbit Blaze Special Edition, Gun Metal, Large (6.7 - 8.1 inch) (US Version)

The 1.2-inch detachable color screen in a metal frame on a rubber textured strap may look familiar to owners of previous Fitbit devices. It is small enough to be comfortably worn during training or on a casual day, but big enough to not have the user squint at the on-screen text.

Blaze Smart Fitness Watch is one of the easiest to use Best Strapless Heart Rate Monitors. It is loaded with features like 3-axis accelerometer, an optical heart-rate tracker, altimeter, and ambient light sensor. No more worrying if it will work with your device as it is programmed across 2 platforms, Android and iOS.

2. Mio ALPHA 2 Waterproof Watch Activity Tracker

Our Independent Rating


  • Stores up to 25 hours of workout data
  • Water resistant up to 30m (3 ATM / 100 ft.)
  • Syncs wirelessly to popular fitness apps
  • Provides workout goals and summaries
  • Tracks daily activity + workouts, including steps, calories, distance & pace
  • Strapless


  • Size: Large 10 x 1.7 x 0.7 inch, Small : 8.8 x 1.7 x 0.7 inch
  • Functions: EKG-accurate heart rate, calories, distance, pace, and speed
  • Color: Black
  • Activity: Fitness, Gym & Training, Yoga, Running, Walking
  • Single Charge Life (up to): 20-24 hours of workout time / 3 months without continuous heart rate monitoring on
  • Compatibility: Android and iOS

The next up in our best wrist heart rate monitor without chest strap list is - MIO ALPHA 2.

The predecessor of Mio’s Slice, Mio Alpha 2 is for the health buff who predominantly runs. As most runners need feedback on their performance, time, distance, and pace, Alpha 2, delivers just that and more.

While it is not GPS enabled, it uses an internal 2-axis accelerometer to precisely deliver live and post-session results. These results include how far, how fast, the heart rate, and the calories spent as you run.

Mio Alpha 2 impresses people with an active lifestyle with its strapless heart rate sensors as well as its internal accelerometer’s accuracy. Supported by Mio Go APP that is uncomplicated to use, you can review post-session results while setting the key features of it too!


  • Accurate feedback
  • Comfortable and snug fit straps
  • Tracks ace, distance, time, laps, calories burned, etc.,
  • Excellent battery life
  • Waterproof
  • Strapless


  • More expensive than other heart rate monitors
  • Not GPS enabled
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Mio ALPHA 2 Heart Rate Watch + Activity Tracker, Regular/Long Strap, black (Certified Refurbished)

You will also like the design of the silicone band it has. The circular cutouts make it breathable and easy to secure around your wrist.

Other cool features that you will surely love is its backlight that dimly illuminates the display in a bluish glow. Did I mention it is waterproof? So, you can use it in the rain, in the shower, or while swimming.

Want to give your water a boost of caffeine and B vitamins? Check these MiO Energy Naturally Flavored Liquid Water Enhancers

3. Polar A360 strapless heart rate monitor watch

Our Independent Rating


  • Continuous heart rate even during sleeping
  • Water resistant up to 30m (3 ATM / 100 ft.)
  • Wrist-based heart rate monitoring & training
  • GPS via mobile
  • Helps set up training targets
  • Strapless


  • Size: 9.07 x 1.06 x 0.5 inch
  • Functions: EKG-accurate heart rate, sleep tracking, calories, distance, pace, and speed
  • Color: Black, Blue, White, Pink
  • Activity: Fitness, Gym & Training, Yoga, Running, Walking, and some more sports
  • Single Charge Life (up to): 4 days with 24/7 activity tracking and 1 hour of daily training
  • Compatibility: Android and iOS

Polar A360 Fitness Tracker is Polar’s answer to average Joes who want more from their common heart rate monitors. It is ideal for anyone who wants to take their fitness level into a higher notch.

The activity alerts Polar A360 Fitness Tracker signals out throughout the day, you will be motivated to move and sweat it up. An hour of remaining motionless prompts the wristwatch to vibrate and remind you to move.

This wrist heart rate does not need a chest strap to accurately monitor your heart rate. It uses its optical heart rate sensor at the back of the watch that senses your pulse under the skin. This system doesn’t fail to produce clean and accurate heart rate data.


  • Waterproof
  • Very easy to setup
  • Color screen
  • Decent battery life
  • Works even during strenuous activity
  • Strapless


  • Doesn't track running distance
  • Poor pairing with smartphones
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Its colored TFT LCD screen has a remarkably legible display in different lighting situations. It is larger than Fitbit or Garmin and with a simple shake of your wrist gives you a digital display of the current time and date.

Polar A360 Fitness Tracker just like the first two monitors we have on the list is not GPS enabled. But you may utilize your phone’s GPS by simply pairing it via Bluetooth.

The package includes everything you need to start the gear up, from the band to use and a micro-USB charging/connection cable.

4. Mio FUSE

Our Independent Rating


  • Wrist-Based Heart rate
  • Activity & Sleep Tracking
  • Offline Data storage
  • Water Resistance
  • Works with dozens of popular iPhone and Android fitness apps


  • Size: 5.8 – 7 inches
  • Functions: heart rate, sleep tracking, calories, distance, pace, and speed
  • Color: Aqua, Cobalt, Crimson
  • Activity: Fitness, Gym & Training, Yoga, Running, Walking
  • Single Charge Life (up to): 7 days with 1-hour workout/day
  • Compatibility: Android and iOS

If you are in search of a sleek wristwatch to track your heart rate without the straps on your chest, then Mio Fuse may just be what you need. Mio Fuse is the wrist heart rate monitor watch that sits between being stylish and being functional.

It offers 24-hour tracking with heart rate monitoring, skipping the strappings of a chest gear that distracts you from your physical activities. Nearly identical to the Adidas Mi Fit Smart band, it uses the same optical heart rate sensor that delivers accurate data.

Mio Fuse is a rugged, silicone-rubber band that uses a watch-style clasp. It does better than other rivals when performing under situations that may involve water. It is water-resistant to up to 30 meters, so you can swim, or get all sweaty and still monitor your heart rate.


  • Comfortable to wear
  • All day long heart rate, activity and sleep tracking
  • Accurate heart-rate tracking
  • Good battery life
  • Wrist-based heart rate monitor
  • Affordable
  • Strapless


  • Not a mobile phone companion
  • Too big for small wrists
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Mio FUSE Heart Rate, Sleep + Activity Tracker, Cobalt, Small/Medium

The design is hip featuring a chunky bracelet with cool LED light readout. It is more like a marquee on your hand. Even kids are amazed.

Its best feature depends on how you want it to use. If you are the occasional gym visitor, the activity tracking goal is ideal. It gives you a glance at your status, to let you know whether you are close to achieving your goals or if you need to do more.

Also, it is one of the most affordable Strapless Heart Rate Monitors in our list.

5. Garmin Vivosmart HR Plus No Strap HRM with gps

Our Independent Rating


  • Step counter
  • Water resistant up to 5ATM
  • Wrist-based heart rate training
  • Auto goal
  • Customizable data pages
  • Strapless


  • Size: 4.5 x 2.5 x 3.5 inches
  • Functions: heart rate, sleep tracking, calories, distance, pace, and speed
  • Color: Black
  • Activity: Fitness, Gym & Training, Yoga, Running, Walking, Swimming
  • Single Charge Life (up to): 5 days
  • Compatibility: Android and iOS

One of the most favored wrist heart rate monitors is the Garmin vívosmart® HR. It is feature-packed and can never be faulted of complacency.

Dominated by a large, touch-screen display, it can be swiped both directions to go through the features, data, and functions available. Its screen is always on, so there’s no need to do extra movements to wake it up.

The strap is relatively similar to most casual watches, with proper buckle to secure it. It means, no more worrying about coming or falling off during physical activity.


  • Five-day battery life
  • GPS and heart-rate monitor included
  • Rugged waterproof design
  • Excellent fitness tracking
  • Can adjust volume on music and answer phone calls
  • Strapless


  • Bands and keepers sold separately
  • Pricey for the same features most trackers have
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Garmin vívosmart HR+ Regular Fit Activity Tracker - Black

vívosmart® HR tracks every step that you take as well as each flight of stair that you climb. It doesn’t just estimate the distance you’ve walked but the calories you’ve burned too. The “intense minutes” are logged separately to make you set a goal for you to achieve.

Speaking of which, Garmin took a different approach in setting and achieving your goals. While most trackers only give a default daily step goal, vívosmart® HR dynamically adjusts your goals based on your achievement.


Keeping track of your heart rate is one of the ways you can improve your physical well-being and a healthy lifestyle. You can go on days working out but without understanding how far you’ve come or how much more you need to do, all will deem unworthy.

Finding the best wrist heart rate monitor, which doesn’t just add to your appeal while you are doing your workout but monitor your cardiac activity too, is a big part of that. Trackers and heart rate monitors usually come with chest straps which may be uncomfortable for some.

The heart rate monitors we reviewed are all competent and well-recommended for you to try. But, as with most items in the market, one will surely stand out and that was Fitbit Blaze for us.

This effective fitness tracker for casual users is packed with features that include smartphone functions, too. This Apple watch look-alike won’t be tagged the ultimate smart fitness watch for nothing.


Can you wear a strapless heart rate monitor all day?

How Easy to Use strapless HRM?

How Comfortable Are They After Hours of Wearing?

Are wrist heart monitors accurate?

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