The Best Fitness Smartwatches of 2024

Finding the right fitness smartwatch can feel like searching for a needle in a haystack. With dozens of options hitting the market each year, each promising to track your steps, monitor your heart rate, and analyze your sleep, it’s easy to get overwhelmed. The truth is, the best fitness smartwatch for you depends entirely on how you train, what metrics matter most to you, and how much you’re willing to spend. In this guide, I’ve broken down the top performers of 2024 across categories—from serious athletes to casual gym-goers—so you can make an informed decision without the guesswork.

What Makes a Fitness Smartwatch Worth Your Money

Before diving into specific models, it’s worth understanding what separates a decent fitness tracker from a genuinely useful training companion. The core features haven’t changed much over the years: heart rate monitoring, GPS tracking, step counting, and sleep analysis form the foundation. But the depth of these features varies dramatically between devices.

Optical heart rate sensors have improved significantly, with most modern devices using multi-LED setups that account for skin tone variations and movement artifacts. GPS accuracy has also gotten better, with dual-frequency GPS now appearing in higher-end models for better precision in urban canyons or dense tree cover.

Battery life remains one of the biggest differentiators. An Apple Watch typically lasts 18-36 hours depending on use, while a Garmin can push past a week. If you’re training for a marathon or ultrarunning event, that battery gap becomes critical.

Water resistance varies too. Most fitness watches handle swimming, but depth ratings differ. Some are fine for pool laps but won’t survive a snorkel trip.

The software ecosystem matters just as much as the hardware. Your smartphone operating system dictates compatibility in ways that aren’t always obvious. An Apple Watch won’t work properly with an Android phone, and some features on Samsung watches are locked to Samsung phones.

Apple Watch Series 9: The All-Rounder

The Apple Watch Series 9 is the default recommendation for most people, and for good reason. It simply works. The integration with iOS is seamless, the app ecosystem is unmatched, and the design works equally well at the office and the gym.

The S9 chip brings a neural engine that enables on-device Siri processing, meaning requests complete faster and work even without internet connectivity. The display got brighter—up to 2000 nits—making it genuinely readable in direct sunlight. That’s a meaningful improvement for outdoor runners.

Fitness tracking covers all the basics and then some. The Workout app supports dozens of activity types, from standard running and cycling to less common pursuits like dance and wheelchair pushing. Heart rate zones display clearly, and the Activity rings provide motivation through visual progress tracking.

Where the Series 9 falls slightly short is in advanced athletic metrics. While it tracks VO2 max and provides recovery recommendations, it doesn’t offer the granular training load analysis that serious athletes get from Garmin or Coros. The battery life also remains a limitation—expect to charge every 1-2 days depending on GPS usage.

One feature worth noting: the double-tap gesture introduced with this generation lets you control the watch with one hand, useful when you’re mid-workout and don’t want to fumble with the touchscreen.

Garmin Forerunner 265: The Runner’s Choice

Garmin has owned the running watch market for years, and the Forerunner 265 demonstrates why. This isn’t just a fitness tracker—it’s a dedicated training tool built specifically for runners and triathletes.

The big upgrade this generation is the AMOLED display. Previous Forereqers used memory-in-pixel screens that were readable but lacked the vibrancy of modern smartphones. The 265 fixes that while maintaining excellent battery life—up to 15 days in smartwatch mode, or about 24 hours with GPS and music enabled.

Training readiness scores combine sleep, recovery, and stress data to tell you whether today is a good day to push hard or take it easy. This feature alone has changed how many athletes train, moving from gut-feeling decisions to data-informed choices.

The route mapping is useful, with Trendline popularity routing showing the best running and cycling paths in your area based on millions of user uploads. Turn-by-turn navigation means you won’t get lost on unfamiliar routes.

HR tracking uses the Elevate V5 sensor, Garmin’s latest optical heart rate platform. In testing, it holds up well during interval sessions where arm movement often throws off cheaper sensors. It also supports ANT+ and Bluetooth, meaning you can pair it with external chest straps or bike computers.

One consideration: the 265 is sizable. At 46mm case diameter, smaller wrists might find it bulky. The smaller 42mm 265S exists, but it has reduced battery life.

Samsung Galaxy Watch 6: The Android Standard

For Android users, the Galaxy Watch 6 remains the best overall option. Samsung’s watch OS has matured significantly, offering a polished experience that finally competes with Apple on everyday usability while maintaining fitness-focused features.

The rotating bezel returns on the Watch 6 Classic, providing a tactile way to navigate menus that feels more precise than swiping. The Super AMOLED display is sharp, with deep blacks and colors that pop. Sleep tracking has improved substantially, now measuring sleep stages, blood oxygen, and even skin temperature for more comprehensive recovery analysis.

BIA (bioelectrical impedance analysis) sensors estimate body composition metrics like body fat percentage and skeletal muscle mass. It’s not as accurate as dedicated scales, but the convenience of getting these numbers from your wrist daily adds value.

GPS performance is solid, though not class-leading. Multi-band GPS would be welcome for the price, but Samsung prioritized battery life instead, achieving about 40 hours of mixed use.

One quirk: some Galaxy AI features require Samsung phones specifically. If you use a Pixel or other Android device, you’ll miss a few software features.

The Health ecosystem integrates with Samsung Health, which offers workout videos, meditation sessions, and nutrition tracking. It’s not as deep as Garmin’s training analytics, but for casual to intermediate athletes, it covers the bases well.

Fitbit Charge 6: Budget Fitness Champion

Not everyone needs a full smartwatch. The Fitbit Charge 6 proves that excellent fitness tracking comes at nearly a third the cost of premium options.

At $160, you get 24/7 heart rate monitoring, GPS tracking (connected to your phone), sleep staging, and Fitbit’s signature active zone minutes. The Google integration brings YouTube Music controls and Google Maps navigation—small conveniences that add up.

The display improved significantly over previous generations, now offering an AMOLED screen with always-on capability. Battery life stretches to about 7 days, meaning you charge far less frequently than smartwatches.

Where the Charge 6 compromises is in advanced metrics. There’s no VO2 max estimate, no training load analysis, and limited sport profiles compared to Garmin. But for people who want solid basics without the complexity or cost of premium devices, it’s hard to beat.

The included magnetic charger is another thoughtful touch—no more fumbling with proprietary cables.

Garmin Fenix 7 Pro: The Ultrarunner’s Dream

Serious athletes who want the absolute best often land on the Fenix line. The 7 Pro represents Garmin’s flagship, packed with features that most users will never fully utilize—but that dedicated athletes swear by.

The solar charging lens extends battery life significantly. In optimal conditions, you can theoretically get unlimited battery life in smartwatch mode. More realistically, expect 3-4 weeks between charges with light use, or about 30 hours of full GPS tracking.

Multi-band GPS provides excellent location accuracy, critical for trail runners where a few meters can mean the difference between a clear path and bushwhacking. Topographic maps come preloaded, with turn-by-turn navigation for trails and roads.

Training readiness, training status, and recovery advisor form a comprehensive training intelligence system. These features synthesize hundreds of data points to guide your daily decisions. While not perfect, they provide structure that many athletes find valuable.

The build quality is exceptional—titanium case, sapphire crystal glass, and 100-meter water resistance. This watch will survive years of hard use.

The price is steep, often exceeding $800 with bands and maps. But for those who train consistently and want the most capable tool available, the investment makes sense.

Whoop 4.0: The Recovery Specialist

Whoop takes a fundamentally different approach. It’s not a watch at all—it’s a band that wraps around your wrist, designed specifically for continuous health monitoring rather than traditional watch functions.

The 4.0 tracks heart rate variability (HRV), skin temperature, and blood oxygen continuously. Its real value comes from the Strain Coach and Recovery Score, which tell you how hard to push each day based on your body’s readiness.

The lack of a display forces you to check stats on your phone, which some find annoying and others appreciate as less distracting. The subscription model—required after the initial purchase—costs $239 per year, making it more expensive long-term than most competitors.

For athletes who already have a primary watch and want deeper recovery insights, Whoop complements rather than replaces. It’s particularly popular in team sports and CrossFit communities where training load management matters.

Coros Apex 2 Pro: The Alternative

Coros doesn’t get as much attention as Garmin, but the Apex 2 Pro deserves serious consideration. It offers much of Garmin’s capability at a lower price, with software that some users actually prefer.

The battery life is remarkable—45 hours of full GPS tracking in a relatively compact 46mm case. Dual-frequency GPS provides accuracy competitive with devices costing twice as much.

Training load and recovery metrics mirror Garmin’s approach, with the Training Effect feature measuring aerobic and anaerobic impact. The Coros EvoLab system provides fitness trends and predictions.

One area where Coros does well: the digital dial is smooth and precise for menu navigation. It feels more refined than Garmin’s buttons in some ways.

The trade-off is the smaller app ecosystem and less community features. If you want to download workouts from TrainingPeaks or connect to third-party apps, Coros handles it—but the native social features aren’t as developed.

How to Choose Your Fitness Smartwatch

With all these options, the decision comes down to a few key questions.

First, what’s your primary activity? Runners benefit most from Garmin Forerunner or Coros. Cyclists might prefer Garmin’s bike sensor integration. Swimmers should check water resistance ratings carefully—most handle pools but fewer support open water tracking beyond basic distance.

Second, how tech-savvy are you? Garmin and Coros have steeper learning curves but reward time spent learning with powerful features. Apple and Samsung are more intuitive out of the box.

Third, battery life expectations matter. If you hate charging daily, Garmin and Coros outperform Apple and Samsung dramatically.

Finally, consider the ecosystem. If you already track workouts in a specific app, check compatibility before buying. Switching ecosystems means losing historical data.

Conclusion

The fitness smartwatch market has matured to the point where most major options deliver solid performance. Your choice ultimately depends on how you train and what features matter most to your routine.

For most people, the Apple Watch Series 9 offers the best balance of usability, fitness features, and everyday functionality. Android users get an excellent experience with the Samsung Galaxy Watch 6. Serious runners should look at the Garmin Forerunner 265 for dedicated performance, while ultrarunners and multisport athletes will appreciate the Fenix 7 Pro’s capabilities.

The Fitbit Charge 6 proves you don’t need to spend flagship money for quality fitness tracking, and the Whoop 4.0 serves a niche audience wanting deep recovery insights.

Whatever you choose, remember that the best fitness smartwatch is the one you’ll actually wear consistently. Features mean nothing if the device sits in a drawer.

FAQs

What’s the best fitness smartwatch for runners?
The Garmin Forerunner 265 offers the best combination of dedicated running features, battery life, and price for most runners. The Apple Watch Series 9 works well for casual runners who want smartwatch functionality alongside fitness tracking.

Do I need GPS in my fitness smartwatch?
If you run or cycle outdoors, built-in GPS provides accurate distance and pace data without carrying your phone. Connected GPS (using your phone) saves battery but requires carrying the phone. For indoor workouts, GPS is unnecessary.

How accurate are heart rate monitors on fitness smartwatches?
Modern optical heart rate sensors are generally accurate for everyday use and moderate training. During high-intensity interval training or activities with significant arm movement, chest straps provide better accuracy. Skin tone and tattoo coverage can affect optical sensor performance.

Should I get a fitness smartwatch with a subscription?
Fitbit and Whoop require subscriptions for full features. Garmin, Apple, and Samsung do not require ongoing fees. Consider whether the subscription features justify the cost—many users find they don’t need premium insights after the initial trial period.

How long do fitness smartwatches typically last?
With proper care, a quality fitness smartwatch lasts 3-5 years. Battery degradation is the most common limiting factor, though many users replace devices before batteries become problematic. Software updates typically continue for 3-4 years after release.

Can I use a fitness smartwatch for swimming?
Most modern fitness smartwatches are water-resistant to at least 50 meters and track pool swims. However, salt water and chlorine can damage seals over time. Rinse after swimming and check your specific model’s water resistance rating before use.