The Apple Watch SE (2nd Gen) is our top pick for most people at $199. It has solid health tracking, fast performance, and decent battery life. The Fitbit Inspire 3 works well if you want something under $100, and the Garmin Forerunner 55 is the better choice for runners who need real sports tracking. Here’s how they compare.
| Model | Price | Heart Rate | GPS | Battery Life | Water Resistance |
|---|---|---|---|---|---|
| Apple Watch SE (2nd Gen) | $199 | Optical | Built-in | 18 hours | 50m |
| Fitbit Sense 2 | $179 | Optical | Built-in | 6+ days | 50m |
| Garmin Forerunner 55 | $199 | Optical | Built-in | 14 days | 5ATM |
| Samsung Galaxy Watch 6 | $179 | Optical | Built-in | 40 hours | IP68/50m |
| Fitbit Inspire 3 | $79 | Optical | Connected | 10 days | 50m |
Each watch has different strengths. Your choice depends on your fitness goals, whether you use an iPhone or Android, and how much you want to spend. Let’s look at each option in detail.
The Apple Watch SE (2nd Gen) remains popular in 2025 because it balances features, performance, and price better than most competitors.
Why It Works for Fitness
Apple has invested heavily in health and fitness features, and it shows. The optical heart rate sensor gives reliable readings during workouts. Built-in GPS tracks your outdoor runs, walks, and bike rides without needing your phone. The watch automatically detects workout types, so you don’t have to fiddle with menus while exercising.
The Activity rings provide simple visual goals that motivate many users to move more each day. Whether you’re trying to close your rings or compete with friends, this kind of gamification works for some people. The SE also includes crash detection and fall detection, which add safety during solo workouts.
What Makes It Different
The Apple Health app pulls together sleep tracking, heart rate variability, and exercise minutes into one dashboard. The 50-meter water resistance handles swimming workouts, and the watch automatically tracks pool sessions.
The S8 chip keeps everything responsive. watchOS has the largest app ecosystem of any smartwatch platform. Apps like Nike Run Club, Strava, and MyFitnessPal integrate directly, extending what the watch can do.
The Downsides
Battery life is the main compromise. Most people need to charge the watch every 18-24 hours, which means nightly charging becomes routine. The always-on display option uses more battery, though some users prefer it. Unlike Garmin watches designed to last weeks between charges, the Apple Watch SE needs more frequent attention.
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The Fitbit Sense 2 dropped in price since launch, making it a strong value at around $179. You get features that compete with watches costing twice as much.
Health Features
Fitbit built its name on health tracking, and the Sense 2 delivers. Beyond standard heart rate and step counting, this watch has cEDA sensors for stress management, a blood oxygen sensor, and skin temperature tracking. The SpO2 monitoring shows how well your body recovers overnight.
Sleep tracking is particularly detailed. Fitbit breaks sleep into awake, light, deep, and REM stages. The Daily Sleep Score gives you a single number to track, making it easier to spot patterns affecting your rest.
What Makes It Worth Considering
The Sense 2 uses its cEDA sensor for stress tracking. It’s not a medical device, but it tracks changes in skin conductivity that correlate with stress responses. Over time, you can see which activities and times of day tend to spike your stress, which helps with lifestyle decisions.
The 6-day battery life means you can leave the charger behind for weekend trips. This is a real quality-of-life improvement compared to charging an Apple Watch daily.
The Limitations
The GPS connects to your phone for tracking, so you need to carry your phone during outdoor activities. The always-on display option reduces battery significantly. Some users say the health sensors are less accurate during high-intensity workouts compared to dedicated sports watches.
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Not everyone wants a full-featured smartwatch. The Fitbit Inspire 3 shows you can get solid fitness tracking for under $80, which works well for people who want simplicity.
What You Actually Get
The Inspire 3 tracks heart rate, steps, calories, and sleep with decent accuracy for the price. The 10-day battery life means you can wear it constantly without thinking about charging. It’s lighter than most bands, making it comfortable for all-day and overnight wear.
Water resistance handles swimming tracking, and the watch automatically recognizes common workout types. You don’t get built-in GPS, but connected GPS works fine if you bring your phone during outdoor activities.
Who This Is For
This watch makes sense for a few different situations. If you’re new to fitness tracking and want to try it without spending much, the Inspire 3 is a good starting point. It’s also useful as a backup watch when you don’t want to wear your expensive daily watch, like at the beach or while doing yard work.
Parents introducing kids to fitness tracking often like the Inspire 3 because it’s affordable and simple. The straightforward interface doesn’t overwhelm younger users.
The Trade-offs
The black-and-white display isn’t as bright as more expensive options. There’s no app ecosystem to add features. You won’t get NFC payments, music controls, or full smartphone notifications—just basic alerts. These limitations make sense at this price, but users expecting smartwatch features may be disappointed.
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For runners who take training seriously, the Garmin Forerunner 55 is the standard affordable sports watch. Garmin’s focus on accuracy and durability shows throughout.
Built for Runners
The Forerunner 55 focuses on running performance with features that serious runners actually use. PacePro gives grade-adjusted pace guidance, helping you keep steady effort on changing terrain. The recovery advisor tells you how long to rest between hard workouts based on your training load.
Race predictions give you time goals for common distances from 5K to marathon. These predictions update based on your training data, so they stay realistic as you get fitter. Daily suggested workouts change based on your completed activities, essentially giving you personalized coaching.
Battery That Lasts
In smartwatch mode, the battery lasts up to 14 days. In GPS mode, it lasts 20 hours. This easily handles ultramarathons and multi-day adventures. You can track a full marathon with GPS running the entire time and still have charge left. When you’re hours into a long run, a dead watch is the last thing you need.
What You’re Missing
The Forerunner 55 doesn’t have the smartphone features and app ecosystem of Apple or Fitbit watches. Notifications are basic. You can’t reply to messages from your wrist. The black-and-white display emphasizes readability and battery over looks. There’s no music storage or contactless payments either.
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Samsung improved sleep tracking on the Galaxy Watch 6 significantly, making it the top choice for people who want to understand their rest patterns. The sleep analysis is detailed enough to rival dedicated sleep trackers.
Sleep Tracking
The Galaxy Watch 6 tracks sleep stages with decent accuracy, breaking down your night into REM, light, deep, and awake periods. The Sleep Score combines total sleep time, sleep efficiency, and recovery into one metric you can track over time.
Blood oxygen monitoring during sleep shows breathing patterns, which might flag issues worth mentioning to your doctor. The skin temperature sensor adds another data point, though its usefulness depends on how you interpret the information.
Beyond Sleep
As a general smartwatch, the Galaxy Watch 6 performs well. The rotating bezel provides good tactile control. The Super AMOLED display shows vibrant colors. Samsung Health has comprehensive fitness tracking with thousands of guided workouts. The watch works best with Samsung phones but also supports iPhone and other Android devices.
Things to Consider
Battery life is shorter than competitors, typically lasting 1-2 days depending on use. The watch feels bulky on smaller wrists. Some users report sleep tracking accuracy varies from night to night. The health sensors work best when you consistently wear the watch to bed.
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Before buying, think about which features matter most for your fitness goals. The right watch depends entirely on how you’ll use it.
Optical heart rate sensors have improved, but accuracy still varies during high-intensity activities. If you’re doing HIIT, CrossFit, or intense cycling, expect some difference compared to chest strap monitors. Most people find optical sensors fine for general fitness tracking, but athletes training at high levels may want to check accuracy or use chest strap compatibility.
Built-in GPS lets you leave your phone behind during outdoor activities. This matters for runners and cyclists who want to travel light. Connected GPS costs less but requires carrying your phone—some people actually prefer this for safety and music control during long activities.
There’s usually a trade-off between battery life and features. Garmin watches run for weeks but have fewer smartwatch features. Apple Watch does more but needs daily charging. Think about how you’ll actually use the watch and whether regular charging works for you.
Water resistance ratings confuse many people. “5ATM” means the watch handles pressure equal to 50 meters depth—fine for swimming but not diving. “50m” usually handles swimming but not water sports with impact. Match the rating to your planned water activities.
Smartwatches work best within their native ecosystems. Apple Watch essentially requires an iPhone. Samsung features work best with Samsung phones. Fitbit and Garmin work with both iOS and Android. Consider your current phone and whether you might switch in the near future.
Our testing combines real-world use with standard assessments to provide accurate recommendations.
We wear each watch as a primary device for at least two weeks, tracking daily activities, workouts, and sleep. This reveals problems that short-term testing misses—battery changes, band comfort over time, and software stability through updates.
We test each watch across several activity types: running, cycling, swimming, and strength training. We compare heart rate readings against chest strap monitors and check GPS accuracy on routes with known distances. This data informs our accuracy assessments.
Battery testing uses real-world usage patterns, not manufacturer ideal conditions. We measure actual battery drain during GPS activities, always-on display use, and mixed smartwatch functions. Our numbers reflect what you’d experience from normal daily use.
We track how watches hold up over months, noting software updates, battery changes, and any durability problems. Our recommendations factor in how well watches maintain their value and functionality over time.
Most people get excellent fitness tracking between $150 and $200. The Apple Watch SE and Garmin Forerunner 55 both have comprehensive features at $199. If you’re new to fitness tracking or have a tight budget, the Fitbit Inspire 3 has solid basics under $100. Spending more usually adds better materials, more health sensors, or nicer displays rather than significantly better fitness tracking.
Yes, Apple Watch works well for fitness tracking for most people. The Activity rings give simple motivation, workout detection works reliably, and the Health app creates a detailed data picture. The main limitation is battery life—you charge daily rather than weekly. For iPhone users in the Apple ecosystem, it’s one of the best fitness wearables available.
Garmin wins for serious athletes who need advanced training metrics, longer battery life, and detailed workout analysis. Apple Watch wins for casual fitness enthusiasts who want a full smartwatch experience with app support and phone integration. The choice depends on whether you prioritize training precision (Garmin) or everyday usability (Apple).
Garmin watches generally have the most accurate optical heart rate tracking, especially during high-intensity activities. The Forerunner series uses Elevate sensor technology that performs well even during rapid heart rate changes. That said, chest strap monitors still outperform all optical sensors for precision, though most people find optical accuracy sufficient for general fitness purposes.
No, you don’t need a smartwatch for fitness. Many people reach their fitness goals using smartphone apps or basic fitness trackers. However, smartwatches make tracking more convenient with always-on displays, automatic workout detection, and continuous health monitoring. The question is whether the convenience justifies the cost for your situation.
Most modern fitness smartwatches work for swimming. Look for at least 5ATM or 50-meter water resistance. The Apple Watch SE, Fitbit models, and Garmin Forerunner 55 all handle pool swimming. Remember that water resistance can wear down over time, and hot tubs or saltwater can damage seals that seem fine for pool use.
The fitness smartwatch market has matured, so you can’t really go wrong with any of our top picks. The Apple Watch SE is the best all-rounder for most people, combining fitness tracking, smartwatch features, and app ecosystem at a reasonable price. The Fitbit Sense 2 has good health sensors for stress and sleep tracking if those matter to you. Runners should look closely at the Garmin Forerunner 55 for its training features and battery life. And if budget is your main concern, the Fitbit Inspire 3 shows you don’t need to spend much to track your fitness.
Think about how you’ll actually use the watch before buying. Daily charging bothers some people but not others. Built-in GPS matters for outdoor runners but barely matters for gymgoers. The best watch is the one you’ll actually wear, so be honest about which features you’ll use and choose accordingly.
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