Want to get fit, fast and strong? Just listen to your heart with these wearables.

Best heart rate monitors

Which heart rate monitor is the best for running? Which HR monitor is the most accurate? We get asked those questions and more all the time here at Wareable.

Now more than ever, there are dozens of options to supercharge your run, cycle or HIIT training sessions with an extra layer of biometric data, telling you just how hard you’ve been working in your gym sessions and giving you a better idea of that calorie burn.

It doesn’t only makes your post-workout stats more accurate, but it also enables you to start heart rate training in specific zones, which can make your regime more efficient.

Fitbit, Apple, Garmin and Polar are all adding heart rate monitors into running watches, fitness trackers and even running headphones, but in our opinion, dedicated chest straps still offer the best way to get tip-top accuracy.

Whether you’re looking for something that’s great for the gym, or plays nice with Strava or your iPhone, read on for our recommendations.

How to buy a heart rate monitor

When people ask us about buying a heart rate monitor, it always comes down to the type of device they’re using to work out. When it comes to chest straps, most use ANT+, which is only compatible with specialist running watches that use that same connectivity – i.e. Garmin, Polar and Suunto watches.

So ANT+ is limited to specialist devices, and the rise of the smartphone is a big factor here; those who want to use their phone to work out will need to look for a Bluetooth-enabled strap, which will connect to apps like Strava, Runkeeper and Endomondo.

Chest strap versus optical wrist sensors

The biggest battleground is now chest straps versus wrist devices, the latter of which use optical technology to “see” the blood pulsing through your veins. Optical sensors are integrated into most new running watches and fitness trackers from the likes of Garmin, Fitbit and Suunto.

Debate rages about accuracy, so we will put it here plainly: chest straps are more accurate, and wrist devices will struggle when you’re really pushing hard. However, optical wrist wearables are far more comfortable and convenient, and, if you’re running steadily, should do the job just fine.

We should mention that there is a new breed of optical heart rate sensors that moves the tracking to the forearm and the upper arm, too. Both Polar and Wahoo as well as Scosche have heart rate monitoring armbands available that claim to offer the same level of accuracy you’d get from a chest strap.

The accuracy question – what’s good enough?

At Wareable, we are serious runners, but are still happy with the imperfect data from our wrist devices because of the convenience they offer. Not carrying two devices everywhere is much easier, and when it comes to training in HR zones, the likes of Garmin and Polar do a good job.

That said, when indoor cycling, we do tend to reach for the chest strap. Why? We find it more comfortable on a bike, and the high intensity of a spin class works better with a chest strap than a relatively even-paced run.

Best sports watches with heart rate

Polar Vantage V

Best heart rate monitors: Top watches, chest straps and fitness trackers

Polar’s wrist based HR monitors have steadily improved over time and with the Vantage V and the cheaper Vantage M, it’s come up with some of the best in the business.

It’s still an optical based sensor, but its sought to improve accuracy and reliability by adding additional LED sensors to penetrate the skin deeper to take a reading. It’s also using more LEDs and including electrode sensors to ensure the sensor is in proper contact with the skin.

We’ve throughly put it to the test and found the monitor to be a solid performer for activities like running and interval training where most optical sensors are susceptible to having problems. It’s a similar story for the Vantage M, which offers the same sensor tech inside of a more affordable watch design.

Check out our full Polar Vantage V review to see how it shaped up.

$499.90, polar.com | Amazon

Garmin Forerunner 935

Best heart rate monitors and HRM watches

The Forerunner 935 sits at the top table of Garmin’s sport watch line up, and is designed with hardcore triathletes in mind. It makes use of Garmin’s Elevate optical HR tech, and in our testing it’s mustered the best performance of a Garmin device to date.

While the Fenix 5 and Forerunner 35 have been sluggish in early parts of runs and during high intensity, the Forerunner 935 put in a solid performance, which makes it much easier to recommend. Of course, the Forerunner 935 is capable of being paired with a chest strap if you do really need that hit of accurate data.

Check out our full Garmin Forerunner 935 review.

$499.99, garmin.com | Amazon

Suunto Spartan Trainer Wrist HR

Best heart rate monitor: Top watches, chest straps and bands

Suunto’s Spartan watches are steadily becoming better rivals to Garmin and Polar’s top end watches, and one of the ways the company is doing that is through its improving heart rate monitoring skills.

We could be talking about the Spartan Sport Wrist HR, but with the slimmer body and pretty much the same features, the Trainer Wrist HR is the one we’d like keeping an eye on our BPMs.

Like its more expensive sibling, the triathlon-friendly watch performed very well in our own heart rate monitor tests and is up there with Polar for one of the wrist based sensors we’ve tried.

Have a read of our Suunto Spartan Trainer Wrist HR review to see what we liked and disliked about the heart rate monitoring sports watch.

$279, suunto.com | Amazon

Apple Watch Series 4

Best heart rate monitors: Top watches, chest straps and fitness trackers

We can debate whether you should call the Apple Watch Series 4 a sports watch or a smartwatch, but there’s no doubting it is becoming a solid device for sports tracking. It delivers great swim tracking, speedy GPS, third party app support and it has a really good heart rate monitor.

We’ve put it through the same rigorous testing as we do with all of the wearables on this list and it really impresses where a lot of wrist-based monitors falters. We’re talking high intensity interval training.

If you don’t care about working in heart rate zones though, it’s well equipped for taking reliable resting heart rate readings throughout the day and with the addition of an ECG, it’s now fit to tap into heart rate readings to detect serious heart issues including atrial fibrillation. Have a read of our Apple Watch Series 4 review to see why we’re big fans of the new Apple smartwatch.

$399, apple.com | Amazon

TomTom Spark 3

Best heart rate monitor: Top watches, chest straps and bands

Of all the running watches we’ve tested that pack heart rate monitors, the TomTom Spark 3 remains our go-to device for delivering accurate heart rate readings from the wrist. That’s why it makes it all the more disappointing that the company has taken the decision recently to back away from wearables, making this likely the last running watch we’ll see from TomTom.

The built-in heart rate monitor means there’s no need for a traditional HR strap, and it uses TomTom’s own optical sensor. Our testing has repeatedly found TomTom devices to be better at high intensity than rival watches, with superb accuracy at medium intensity when directly compared with a chest strap. There are also dedicated modes that display your current heart rate zones.

With the latest Spark, you get the addition of route exploration to view your location on the watch screen, plus you still get an integrated music player with 3GB storage, giving you more than 500 high-tempo running songs to help get you in the zone.

If you want the same heart rate accuracy with more outdoor-friendly features, you should check out the TomTom Adventurer as well.

Wareable verdict: TomTom Spark 3 review

From $149.99, tomtom.com | Amazon

 

Best heart rate training chest straps

Polar H10

Best heart rate monitors and HRM watches

Like its predecessor, the Polar H7 (which is still available), the H10 is one of the most reliable sensors out there. The iOS and Android-friendly strap boasts Bluetooth, and has a modified design, adding silicon friction dots to help keep the strap in place, plus it’s noticeably more comfortable to wear.

It still uses an ECG-style sensor that detects the electrical activity of the heart to deliver your BPM readings, but a new measuring algorithm and extra interference-preventing electrodes help improve accuracy. It’s waterproof, so you can go swimming with it, and there’s onboard memory to store a training session, just in case your phone or wearable dies on you.

We’ve been using it to test against a lot of the new fitness trackers and smartwatches that have landed at Wareable HQ recently, and we can comprehensively say it still delivers the goods.

$89.95, polar.com | Amazon

Wahoo Tickr X

Best heart rate monitors and HRM watches

The Tickr X, along with the MyZone MZ-3, is one of the highest scoring heart rate monitoring devices on Wareable, with a very impressive four and a half stars out of five in our review.

It works with a host of devices, making it perfect for those who like to work out with a smartphone, and has dedicated modes for spinning and other types of activity. What’s more, accelerometers inside can glean extra stats for running while it can be combined with additional sensors to add cadence and RPM data for indoor cycling, making it a much better bet than most simple straps.

The Wahoo Tickr X has internal memory that will store 16 hours of your heart rate data and additional motion analytics that track your cycles, too. You can work out without your smartphone, and then transfer all the data back when you’re home and showered.

$79.99, wahoofitness.com | Amazon

Best heart rate monitor for HIIT training

MyZone MZ-3

Best heart rate monitors and HRM watches

If you want more from your chest strap, the MyZone MZ-3 goes beyond churning out simple bpm (beats per minute) recordings. You get your heart going – whether that be by running, rowing, swimming, cycling or a session in the gym – and earn points based on your bpm.

Rather than simply scoring highly based on a high reading, the MyZone studies your effort over time and creates a golf-style handicap for your level. Your aim is to better your own performance, and like golf, MyZone adds a gamification element enabling you to compete against others, even at vastly different abilities.

Like the Tickr X (above), the MZ-3 has storage for 16 hours of data, so you don’t always have to carry your smartphone while working out.

$149.99, myzone.com | Amazon

Scosche Rhythm24 HR

Best heart rate monitors: Top watches, chest straps and fitness trackers

So you don’t like wearing a chest strap and you don’t trust your wrist-based monitor to do the business. There is another option – and based on our experience, it’s one that does deliver the goods.

Scosche launched the first heart rate monitoring armband before Wahoo and Polar decided to offer something similar. Like its predecessor, the Rhythm24 HR sits on the forearm to track your BPMs. The idea is that there are less motion artefacts that can impact on a reading that can happen further down on the wrist.

We’ve tried the Rhythm24 HR and the sweat-proof and water resistant wearable passed the high intensity interval test. Plus, it was also very comfortable to wear during our workouts.

Check out our Scosche Rhythm24 HR review to find out more about the heart rate monitoring armband.

$99.99, scosche.com | Amazon

Best fitness trackers with heart rate

Garmin Vivosport

Best heart rate monitor: Top watches, chest straps and fitness trackers

Successor to the Vivosmart HR+, the Vivosport brings all of the same features including an optical heart rate sensor inside a slimmer design.

It is a little less intrusive than wearing one of the company’s GPS watches all day long – and with top 24/7 HR monitoring, all day wear is advised. HR accuracy does dwindle at high intensity and excessive wrist flex during weight sessions however, so that’s worth keeping in mind.

But the built-in GPS makes it more appealing to runners and gym lovers than your average Fitbit, and data is pulled into the ever improving Garmin Connect companion app.

Take a look at our full Garmin Vivosport review.

$149.99, garmin.com | Amazon

 

Fitbit Charge 3

Best heart rate monitors: Top watches, chest straps and fitness trackers

The Fitbit Charge 3 is the company’s new flagship tracker and it’s packing the same HR setup as the Charge 2. So expect a similar performance. Like any wrist-based HR monitor, it can struggle at high intensity, but it will still be good enough for workouts in the gym and on the road if you’re not too worried about pinpoint accuracy.

On the plus side, the Fitbit’s resting heart rate tracking is up there with the best, and if you’re put off by the technical graphs of its competitors, Fitbit’s app is one of the most accessible ways to track your workouts. Looking for something with a slimmer design that still offers heart rate tracking? Take a look at the Fitbit Alta HR.

Starting from $149.95, fitbit.com | Amazon

 

Withings Steel HR Sport

Best heart rate monitors: Top watches, chest straps and fitness trackers

The Withings Steel HR Sport is a stylish hybrid that will give you a similar performance to what the Nokia Steel HR delivered.

If you’re thinking, wait, Withings? Yes, the co-founder of Withings has bought back the business he sold to Nokia two years ago. The Steel HR Sport is the successor to the Steel HR and if you want a reliable heart rate monitor hidden beneath a stylish analogue-style watch, this should be your one.

Along with its heart rate monitoring skills, it now adds connected GPS (tethered from your phone) and the ability to take VO2 measurements to assess your fitness level.

The hybrid also offers automatic run and swim detection plus 25-day battery life and throws your data into Withings Health Mate app that used to be the Nokia Health Mate app.

You can check out our full verdict on the sleek hybrid in our Withings Steel HR Sport review.

$199.95, withings.com | Amazon

Best heart rate monitor for swimmers

Garmin HRM Tri

Best heart rate monitors and HRM watches

A real pro tool for triathletes, this ultra-small and light (a mere 49g) heart rate strap adds considerable bike and running smarts to some of the pool functions of the HRM Swim.

With a built-in accelerometer that’ll deliver cadence, vertical oscillation and ground contact time data (like Garmin’s HRM Run) while on two legs, plus HR stat storage while actually underwater, this is one of the most rounded tools for the three disciplines out there. Garmin has also ensured there are no exposed seams and all edges are soft and rounded, to prevent rubbing or any wetsuit-doffing difficulties.

$129.99, garmin.com | Amazon

Best headphones with a heart rate monitor

Jabra Sport Pulse Special Edition

Best heart rate monitors and HRM watches

The Pulse are still some of our wireless sports headphones faves. Largely because they can deliver accurate heart rate readings from your ear. These wireless in-ear headphones banish the need for chest straps or watches, instead taking the reading from your lug holes and sending that data to your smartphone via Bluetooth, with spoken feedback as you go.

Another high scorer in its Wareable review, we gave the Sport Pulse Special Edition four stars for its great HR accuracy, solid sound quality and raft of sports tracking modes from the impressive Jabra Sport app.

$159.99, jabra.com | Amazon

 

Bragi Dash Pro

Best heart rate monitor: Top watches, chest straps and fitness trackers

These premium, do-it-all buds offer wireless music (with storage for up to 1,000 songs), fitness and heart rate tracking and an ear bone mic for calls.

Getting up and running with Dash Pro is relatively straightforward. Once you’ve paired your hearable to the Bragi app, you’ll be able to select run tracking from the Activity hub. Here you can see heart rate, steps, distance, duration and calories. When you’re out, voice prompts will keep you updated on heart rate status, steps and duration. It’s up there with the Jabra Sport Pulse in terms of delivering reliable heart rate readings from the ear.

$329.99, bragi.com | Amazon

Best heart rate monitors for iPhone

Best heart rate monitors: Top watches, chest straps and fitness trackers

Thankfully there are a bunch of external heart rate monitors that play nice with Apple’s smartphone and if you don’t fancy investing in an Apple Watch Series 4, you do have some cheaper alternatives.

Some of our faves we’ve used include some of the devices we’ve mentioned above. You can definitely take a look at the Polar H10, Wahoo Tickr X for great chest strap options. If you find chest straps too uncomfortable, we’ve had good experiences with the Scosche Rhythm24 HR, Wahoo Tickr Fit and Polar OH1 armbands too.

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