1. Fitbit devices 
  2. Garmin devices
  3. Garmin Venu 2 v Fitbit Sense 2
  4. Garmin Venu Sq 2 v Fitbit Versa 4
  5. Garmin Vivosmart 5 vs Fitbit Charge 5
  6. Apps and ecosystems
  7. Sports tracking compared
  8. Heart rate in workouts
  9. Fitbit app
  10. Garmin app
  11. Why choose Fitbit?
  12. Why choose Garmin?

Garmin vs Fitbit: Wearables and features compared

We compare which ecosystem has the edge
Wareable Garmin v Fitbit
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Choosing between Garmin or Fitbit is a big decision for many trying to choose a fitness wearable – and while they may seem similar there are huge differences between the two.

It's all about the type of data you want – and once you work that out the choice between the two brands becomes much more straightforward.

For people who live and breathe sports Garmin is a natural choice.

And while Fitbit has moved way beyond step tracking, it's still the right choice for those interested in their overall health and well-being, with perhaps less interest in hardcore fitness features.

But that's not the end of the story.

Garmin has a much wider range of features and devices – which come in different form factors and price points.

What's more, if you're starting a fitness journey then you might want to choose a device that grows with you.

We know there's a whole lot to cover, so we've broken down some of the key areas from hardware, features, apps, and of course fitness tracking to see how the two compare.

And we've tried to offer a glimpse into what owning a device from each company is really like.

Fitbit devices 

FitbitFitbit family

Fitbit has six main wearables – all with clear remits.

Versa and Sense smartwatches

There's the Versa 4 and the new Fitbit Sense 2 health watch

Both look identical and are the company's two smartwatches. The Fitbit Sense adds serious health sensors such as ECG, skin temperature, and a specific one that tracks stress.

The Versa 4 still has SpO2, GPS, and heart rate monitoring – but keeps things simpler and cheaper. 

It should also be noted that all Fitbit devices will now scan for heart rate rhythm irregularities using the optical heart rate monitor, which means there's less emphasis on ECG.

Charge, Luxe & Inspire trackers

Then it's onto Fitbit's classic wristband style fitness tracker devises it's best known for.

The company just released the Fitbit Inspire 3, its entry-level tracker, which is brimming with features, including heart rate, SpO2, temperature sensor, and a color screen. It offers plenty of bangs, for a sub-$100/£100 buck.

The most advanced is the Charge 5, which has just been released as its flagship fitness tracker. It brings all the features from the Sense (GPS, ECG, stress tracking, skin temperature), and puts it in a wristband form factor.

Below that is the Fitbit Luxe, a fitness tracker that's a bit of a throwback to the Fitbit Alta with its slim, fashion-focused design and is the only Fitbit fitness tracker to include a color touchscreen display. It also features core fitness tracking features, a heart rate monitor, and a SpO2 sensor too.

The Ace 2 is also worth a shout, which is its fitness tracker designed for kids.

Garmin devices

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Garmin has nearer 30 different sports watches, and the differences can be quite obscure. As you move up in price, you essentially get more sensors, thus more complex data. Its watches cover options designed for runners, swimmers, triathletes, and even outdoor adventurers.

Forerunner - Garmin's running and triathlon watches range from $100/£100 to around $800/£800. As the prices rise you get more features, more insights into your sports, and longer battery life.

The entry-level Forerunner 55 is still a powerful running watch, and the new Forerunner 255 is probably the best out there for intermediate runners.

Fenix and Epix - The Fenix family is its all-action sports and outdoor watches, that have all the features and metrics imaginable – but cost top dollar. The Fenix 7 (47mm) comes in standard and Pro versions. The Fenix &S is 42mm and more unisex. The Fenix 7X (51mm) offers more battery life and solar power options.

The all-new Epix (Gen 2) also offers all of the features of a Fenix, but with a color AMOLED screen, for an experience more akin to an Apple Watch Ultra.

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Vivoactive 4 - A pared-back Fenix, with tonnes of trackable sports and smartwatch features, and good battery life but tracking lacks the detail of Fenix.

Vivofit/Vivomove: Vivofit is the company's fitness band – while Vivomove is a hybrid smartwatch with analog hands but fitness tracking in the background. Also Garmin Lily is the company's 34mm fitness watch aimed at women.

Venu - is the company's smartwatch range. The Venu 2 is similar to the Vivoactive 4 but with an AMOLED display. The Venu Sq 2 is a square version with a color display that's more affordable than the round Venu.

Vivosmart 5 – is the company's latest fitness tracking, just as we thought it had left the activity band design behind. The new Vivosmart 5 adds a slightly larger screen and boasts all of the main Garmin health and wellness metrics, with sleep, stress, blood oxygen, and energy levels monitoring. There's no GPS built-in, however.

Then there's a myriad of others: Approach golf watches, Instinct outdoors watches, and many others.

Here we've paired together obvious devices that you'd want to choose between - but remember Garmin has a huge array, so it's well worth checking out our full Garmin devices buying guide.

Garmin Venu 2 v Fitbit Sense 2

WareableVenu 2 vs Sense 2

The Garmin Venu 2 ($399/£349) is the company's most smartwatch-like option while the Fitbit Sense 2 ($299/£279) offers the best features Fitbit has to offer on a smartwatch.

The Sense boasts an ECG sensor to take medical grade-like heart rate readings, and it's about to receive passive Afib detection in the US. There's also a skin temperature sensor and continuous electrodermal activity sensor to detect stressful moments.

As smartwatches, neither challenge the likes of the Apple Watch. The Sense 2 has no app store and a clunky selection of watch faces. Fitbit has killed Spotify integration, but there are a couple of Google apps inbound.

Garmin's app storefront is a better fit for adding extra data fields for sports tracking. On the music features front, Garmin does offer offline playlist support for Spotify.

With one eye on those that are pushing the limits of their bodies, the Garmin Venu 2 will also monitor energy levels via its Body Battery feature. The Fitbit Sense (with a Premium subscription) offers the Daily Readiness score which does much the same.

Both feature SpO2 sensors that keep tabs on blood oxygen, which will also look at levels during sleep. Sleep tracking is great on both devices, and will offer a single score derived from all aspects of your slumber.

In short, these are both excellent devices. The Sense is much more aligned with those looking to get a picture of their general health, while fitness types will get more enjoyment and insight from the Garmin Venu 2.

  • Compare reviews: Fitbit Sense 2 review | Garmin Venu 2 review

Garmin Venu Sq 2 v Fitbit Versa 4

WareableVenu Sq 2 vs Versa 4

If you're looking to spend less on a device, the Venu Sq 2 ($199/£179) and Versa 4 ($229/£199) are pared-back versions of the flagship smartwatches listed above.

Both feature AMOLED touchscreen displays, which can also be set to always-on mode. In both instances at the detriment of battery life.

For health monitoring, the Venu Sq offers continuous heart rate monitoring, and all-day stress tracking and there's a pulse ox sensor to take on the spot and continuous blood oxygen measurements.

The Versa 4 also offers 24/7 heart rate monitoring and high/low heart rate notifications, passive Afib detection (in the US only for now), monitoring blood oxygen levels during sleep, and also tracking skin temperature during sleep too.

Both have GPS tracking on both watches. The Versa 4 tracks pool swims and uses its heart rate monitor to unlock features like workout intensity maps and fitness level scores.

With the Venu Sq 2, you're stepping things up on the tracking with dedicated modes for running, golf, pool swimming, and cycling. There's also a back to the Start feature for navigating you back home during outdoor activities.

As a smartwatch, the Versa 4 has payments, apps, notifications, and support for Google Assistant and Alexa smart assistant. However, it has lost its app store, and there's no support for music playback.

The Venu Sq q offers similar features albeit doesn't offer any sort of smart assistant integration. It also offers a music player with the pricier Venu Sq Music model, and that does get you offline playlist support for Spotify.

Garmin Vivosmart 5 vs Fitbit Charge 5

WareableVenu Sq 2 vs Versa 4

While the Charge 5 ($179/£149) jumped forward by offering an AMOLED display with 6 days of battery life, the Vivosmart 5 feels a bit of a laggard with its monochrome OLED – and it certainly feels dated.

And the Charge 5 also enjoys GPS tracking straight from the wrist, although our reviews did flag accuracy issues.

On the health tracking front, the Vivoactive 5 does all of Garmin's stock tracking of metrics, with sleep, stress, blood oxygen, and energy level monitoring.

On the other hand, arguably the Charge 5 is the most powerful Fitbit in the range. It features both ECG and continuous monitoring for Afib, SpO2, and stress tracking – and the sleep monitoring is up there with the best on the market. It's advantage Fitbit in this case. Read our full Garmin Vivosmart 5 vs Charge 5 review for more detail.

Apps and ecosystems

While the hardware options will undoubtedly play a factor in your decision to lean towards one or the other here, the companion apps and wider ecosystem are even more important.

Those are the bits that keep you coming back to the device rather than just throwing it in the drawer.

With this area encompassing so many different devices, it's hard to crown one company the winner when it comes to basic tracking. We take a look through different aspects of Garmin and Fitbit to see who does it best.

Fitness tracking

Garmin's fitness tracking is excellent, with steps, sleep, and activity minutes all logged by its devices. It's also filtering Body Battery energy tracking and Stress Score down across its range. It will also keep tabs on your heart rate 24/7 - just like Fitbit.

Of course, fitness tracking is Fitbit's bread and butter – and it's pulled out in front recently. Updates such as the new Health Metrics dashboard, which is now open to non-Premium users, really make the Fitbit ecosystem way more interesting regardless of your fitness.

Winner: Fitbit

WareableVenu Sq 2 vs Versa 4

Heart health

In terms of general wellness, we think Fitbit has the edge here thanks to the simplicity of the data and the way resting heart rate is presented – although you won't be missing out on any data if you choose Garmin.

The Fitbit Sense and Charge 5 now have an ECG sensor that offers medical-grade reading. It's also packing a temperature sensor and offers additional insights to make it a potentially really valuable health monitoring device.

And Fitbit has added a new continuous Afib detection feature, that will scan your heart rate for signs of atrial fibrillation, and alert you if you need to get checked out. That's going to most devices across its range, even the entry-level Inspire 3.

However, Garmin has the upper hand in terms of heart rate via exercise. There's more emphasis placed on heart rate zones and VO2 Max – and more advanced data spins of this in terms of training effect, load, stress, and recovery.

Winner: Fitbit

Sleep tracking

Fitbit certainly has the edge when it comes to nightly tracking. Fitbit's sleep tracking accuracy is one of the most reliable around and is much more than just a record of how well/badly you slept. What's more, Premium users can see oxygen variation (which could reveal sleep apnea symptoms) and the excellent Health Metrics dashboard is populated by nighttime biometrics.

Garmin used to lag badly in terms of sleep, but it has caught up. It will show light, deep and REM sleep, and factors in respiration rate – and most devices will let you opt-in to track blood oxygen at night. Our testing has found Garmin's tracking to be slightly generous in terms of calculating sleep duration, and we'd say Fitbit has the edge.

Winner: Fitbit

Stress and recovery

What's also interesting to note is the two companies' approach to stress tracking.

Fitbit uses Relax, which takes advantage of the onboard heart rate monitor, plus HRV monitoring to detect changes in heart rate and offer personalized breathing options.

It's also recently introduced the Stress Management score across its devices, which offers a single score generated from resting heart rate, sleep and activity logged.

Fitbit's Sense watch ups the ante with an EDA scan app (found on Fitbit Sense and Charge 5) that can detect electrodermal activity, which may indicate your body's response to stress.

It's a similar deal with Garmin's stress tracking, which is found on pretty much every current smartwatch and tracker.

Garmin also digs into the effects of training and the stresses on the body, to make sure you're not overtraining and to make sure you're in good shape to take on your next big session. However, we'd say that it's not implemented as well as Fitbit, and you're left to make sense of the data yourself.

Fitbit has jumped ahead again with the Daily Readiness Score (Premium only), which melds workouts, daily activity, sleep, and heart rate data together, to tell you how rested you are and ready for another workout. And it will even take it further and suggest workouts suited to your physiological state.

Winner: Fitbit

WareableVenu Sq 2 vs Versa 4

Female health tracking

Both Garmin and Fitbit offer female health tracking features, which allow users to log cramps and headaches.

Fitbit uses that data to analyze where you are in your menstrual cycle and will be able to predict when the next one will come around.

Garmin lets users track their cycle, log symptoms, receive cycle predictions and fertile windows and get educational insights from their Garmin Connect app. It will also track daily physical and emotional symptoms to pay closer attention to fluctuations in things like sleep, mood, appetite, and athletic performance.

And Garmin has now launched a pregnancy mode, which adds context to the physiological changes your wearable will be recording.

Winner: Garmin

Sports tracking compared

WareableFitbit workout modes

As you may have already gathered, those with ambitions to track a wider range of activities and receive deeper insights should knock on Garmin's door.

But just how big is the gap between the two groups when it comes to tracking various sports?

GPS tracked workouts

Garmin has always been the king of GPS, but the feature is no longer exclusive to its devices.

The Fitbit's Versa 3, Sense, and Charge 5 fitness band all have GPS – and Fitbit has been busy adding the feature over the past few years. However, we have found accuracy issues with the Fitbit Charge 5. The post-workout feedback aid is more basic and the Fitbit app isn't the best place to absorb your performance. It will connect to Strava, however, so you can view activities there.

When it comes to Garmin pretty much every device has GPS – except lifestyle devices such as the Vivomove 3, Vivosmart 5, and Garmin Lily.

And in addition, you'll find GPS-based sports profiles such as hiking, trail running, open water swimming, ultrarunning, and triathlon on some of its devices.

And if you push into the upper echelons of Garmin's range, you can adjust the accuracy and frequency of GPS activities to get up to 70 hours of tracking. And Garmin Connect is geared toward evaluating your workouts – and this is its strongest feature.

Winner: Garmin

Swimming

Fitbit Charge 5, Inspire 3, Luxe and Versa are all set for the pool – and devices can be calibrated for the pool. However, data is more basic and there are no open water options.

Garmin's entire range is water resistant and even basic running watches have a pool swimming mode.

If you're into pool sessions, Garmin tends to be more reliable accuracy-wise for longer sessions, more metrics, and swimming-focused features.

Winner: Garmin

Heart rate in workouts

WareableFitbit workout modes

Heart rate is a staple of both sets of devices, but when it comes to sports there's no arguing with Garmin.

Both Fitbit and Garmin track your heart rate through sessions and offer information on the heart rate zone you're in, and improvements over resting heart rate - which is an indicator of improving fitness. Score draw here.

Fitbit and Garmin devices will also track VO2 max, which is called Cardio Fitness Score in Fitbit devices – although our testing found it to report a little high. Advantage Garmin.

However, if you buy into the Garmin mid-range Forerunners you will get even more data.

That VO2 Max score will feed into things like Training Effect and race predictors, which is a step above for those training for half and full marathons.

Finally, pretty much all Garmin watches let you hook up a chest strap, which is not an option on Fitbit trackers. That lends to more accurate data, especially during HIIT sessions.

What's more, top-end Garmin's can adapt your heart rate zones by using your Lactate Threshold scores determined from fitness tests with a chest strap – that's a level of detail way beyond most users' needs, but also beyond Fitbit's skill set.

Winner: Garmin

Fitbit app

WareableFitbit workout modes

Fitbit still manages to offer one of the more rounded and easy-to-use fitness platforms.

This is particularly the case for beginners, who can dive into trends, dedicated workouts, sleep tracking, and social aspects, such as linking with friends and challenges.

Fitbit also has Sleep Score, which offers a simple look at your overall sleep quality, telling you how many breathing interruptions you might have experienced. We'd say that Fitbit has the best sleep tracking on the market. More on that shortly.

Health Metrics is a new feature that shows deeper health stats such as heart rate variability, blood oxygen, temperature, resting heart rate, and breathing rate in one place. This data can show you if you're getting sick or under the weather, which is a feature no other platform can offer.

Many third-party apps will shake hands with Fitbit, allowing you to pass data for workouts, calories, and other information between them. Strava is a good example of this, letting you feed your runs into your daily Fitbit stats, while any Fitbit activities will also show up in the Strava app.

With the Ionic, Fitbit also launched an app store. It was rough going at first, with only a couple of apps, but the store has gradually grown over the past couple of months, with the likes of The New York Times, Philips Hue, Yelp, and more joining the fray.

Garmin app

WareableGarmin app

As for Garmin, you'll be dealing with Connect, the home of your activity, and Connect IQ, the store for you to pick up apps, new watch faces, and new data fields for sports tracking. As with Fitbit, we have a comprehensive look at how to run better with Garmin Connect and a Garmin Connect IQ app store guide, but we'll skim through the highlights here.

The companion app, which is compatible with all Garmin devices and also available on desktop, offers you a place to plan, track and review your workouts.

So whether you're preparing for a marathon and setting monthly goals or simply looking to beat other runners' best times in local areas, the platform has you covered.

When compared to its Fitbit counterpart, more serious exercisers will find little comparison – Garmin gives you an incredibly detailed look at your activity once you head into the Performance Stats section of the app.

Currently, ConnectIQ is also stronger than what Fitbit offers if you're looking to boost and personalize your device, though the Versa is an admirable step toward leveling that playing field.

Not only does Garmin's watch-heavy focus lend itself to widgets, faces, and data fields, but the amount of apps available in the store is also impressive.

Why choose Fitbit?

What you can be sure of, no matter which ecosystem you decide to delve into is that you're getting a good package.

Above, we've tried to outline the broad strokes of what both do well, but anybody on the hunt for an introductory device should first consider the range Fitbit has on offer. 

With Fitbit, you're receiving a more 24/7, lifestyle option that can weave between the different aspects of your daily life.

Chances are, if you're looking to dip into this area, you're more focused on health and wellness than personal bests and how long you spent in each heart rate zone.

That's not to completely write off the Fitbit range as devices only suited to beginners, as there are some more advanced metrics and features available – VO2 Max and Guided Breathing, to name just two.

You'll also be on board for the company's continued push into sleep tracking, and if you go with the Sense or Versa you'll likely get the fruits of sleep apnea and atrial fibrillation detection in the future (though, again, Garmin is making a push in that direction too).

Why choose Garmin?

With Garmin, in contrast, you're generally being offered watches that are dedicated to exercise. Sure, you have the Vivo range which incorporates some wellness aspects and attempts to be more beginner friendly, but by and large, the company is aiming to provide you with the ultimate wrist companion for when you're exercising. 

These aren't the best-looking watches out there, and they're also not trying (or not trying very hard) to be; this is all about arming you with features, be it pre-workout, during your session, or afterward to give you a better insight.

But there's so much choice, and if you like to get sweaty then we guarantee you'll dig the post-workout analysis here much more than on a Fitbit. 

Garmin has more charts, and more numbers – but the app is far less user-friendly. What you do get is more analysis and credit for clocking up workouts.


How we test



Conor Allison

By

Conor moved to Wareable Media Group in 2017, initially covering all the latest developments in smartwatches, fitness trackers, and VR. He made a name for himself writing about trying out translation earbuds on a first date and cycling with a wearable airbag, as well as covering the industry’s latest releases.

Following a stint as Reviews Editor at Pocket-lint, Conor returned to Wareable Media Group in 2022 as Editor-at-Large. Conor has become a wearables expert, and helps people get more from their wearable tech, via Wareable's considerable how-to-based guides. 

He has also contributed to British GQ, Wired, Metro, The Independent, and The Mirror. 


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