Today’s fitness watches do so much more than count steps. Today we have great options available in the market for all demands. Consider the Fitbit Charge 6, which comes with 40 exercise modes — twice as many as its predecessor.
Every watch has its strengths in various domains. Amazfit GTR 4 In terms of battery life, the Amazfit GTR 4 is a great fitness tracker. The Advanced health capabilities of the new Apple Watch Series 10 now include sleep apnea detection and blood oxygen level monitoring. You can now see how much body fat you have and even how obsessed your snoring is overnight, at least for Samsung Galaxy Watch FE users.

Our team has been rigorous in testing, so you can get a complete overview. The best of 2025 are for all needs, from long power to accurate health monitoring. Here are our expert-tested recommendations to help you choose just the right one well suited for your babe-and you.
Apple Watch Series 10

Image Source: Apple
What really stood out while I was using the new Apple Watch Series 10 was the new look of the watch itself. The thinnest watch from Apple yet, it measures just 9.7mm in profile.
Apple Watch Series 10 Features & Specifications
This watch features a wide-angle OLED display. The screen appears 40 percent brighter at various angles and assists you to scan it. The display area is 30% larger than other Series 4, 5, and 6 models.
It’s the charging speed that makes a difference in everyday use. Your watch reaches 80 p.c. battery lifetime after half-hour.
The Health Tracking Features Of Apple Watch Series 10
The health features pack a real punch:
Electrocardiogram reader ECG app
Warnings for elevated and low heart rate
Monitoring system with REM, Core and Deep sleep insights
Thermal sensing for cycle monitoring
What makes this fitness watch stand out is a new sleep apnea detection feature. And its accelerometer detects potential breathing problems as you sleep, an excellent feature because 80% of sleep apnea cases are undiagnosed.
Apple Watch Series 10 Price and Value Analysis
Size | Starting Price |
---|---|
42mm | $399 |
46mm | $449 |
Apple offers titanium versions in addition to aluminum models as a premium option. Built-in cellular capabilities are now included with every Series 10 model, meaning you get built-in value for more connection.
The cost adds up considering its high-end features. This is ideal for swimming whom the new water temperature sensor and depth gage. You can track both water temperature and depth — a boon if you’re a fan of swimming or snorkeling.
Garmin Fenix 8

Image Source: Garmin International
My thorough testing of Garmin’s latest offering shows the Fenix 8 is a premium fitness watch serious athletes will love.
Garmin Fenix 8 Advanced Features
The Fenix 8 comes in multiple sizes: 43mm, 47mm, and 51mm for AMOLED versions, plus 47mm and 51mm for Solar variants. The new AMOLED display looks crisp and offers great visibility no matter the lighting conditions.
The built-in speaker and microphone system stands out as an impressive addition. In fact, I’ve tested these voice command features that let you:
- Start activities
- Create timers
- Control music playback
- Make calls (when connected to phone)
- Record voice notes
The watch supports recreational diving up to 40 meters deep, which makes it a true multi-sport powerhouse.
Garmin Fenix 8 Battery Performance
Each model’s battery life varies substantially.
Model | Smartwatch Mode | GPS Mode |
---|---|---|
51mm AMOLED | Up to 29 days | Up to 84 hours |
47mm AMOLED | Up to 16 days | Up to 47 hours |
51mm Solar | Up to 48 days | fēnix® 8 AMOLED Series Mode |
Garmin Fenix 8 Training Metrics
What makes this fitness watch unique is the features that train. I get a daily training readiness score that tells me if it’s a good day to train hard or take it easier. The watch keeps track of:
Training Statistics: Such as VO2 max and endurance score
Real-time data via ClimbPro for elevation obstacles
Customised daily exercise recommendations
HRV (Heart Rate Variability) Status
But as we know in the end, the Fenix 8 had a premium price tag, Beginning at $999 for the AMOLED version and going up to $1199 for the 51mm Solar. While it’s a tad pricey, my testing suggests hardcore athletes and outdoor adventurers will find the full suite of swim and fitness features and outstanding battery life worth the price.
Fitbit Charge 6

Image Source: Google Store
After three weeks of testing, I experienced firsthand that the Fitbit Charge 6 is worth its $159.95 price tag.
Fitbit Charge 6 Activity Tracking
The Charge 6 shines in over 40 exercise modes, which is double the number of previous models. The heart rate tracking works incredibly well especially during strenuous exercises such as HIIT and spinning, where the tracking accuracy improves by 60%.
I was most impressed with the watch’s compatibility with gym equipment. You can wirelessly hook it up to Peloton, NordicTrack and Tonal machines to view your heart rate data as you exercise.
Fitbit Charge 6 Sleep Monitoring
Insomnia check: the sleep tracking feature gives you a full picture with the help of a sensor used in the SpO2 sensor that searches for sleep during the night. My testing revealed:
Stage of Sleep (REM, Light, Deep)
Sleep score calculation
So sleep smart alarm function
Monthly sleep pattern analysis
You should also be aware that detailed sleep analytics so requires the premium subscription at $10 per month.
Fitbit Charge 6 Smart Features
The Google services put this fitness watch in a class of its own I found myself utilizing these features all the time:
Smart Feature | Functionality |
---|---|
Google Maps | Turn-by-turn navigation |
Google Wallet | Contactless payments |
YouTube Music | Playback controls |
And the battery would blow my mind with up to 7 days on a single charge. It takes less than two hours to charge the device all the way, so it makes daily use way better.
The Charge 6 is fantastic at automatically detecting exercises with SmartTrack, but you’ll have better luck if you turn on workouts manually. It also tracks your stress levels with EDA scans and alerts you to irregular heart rhythms. This is a solid fitness companion that health-conscious users will love.
Samsung Galaxy Watch Ultra

Image Source: Samsung
I tested Samsung’s rugged fitness watch and discovered that its toughness sets it apart from other smartwatches. It combines aerospace-grade titanium construction with sapphire crystal glass to stand up under harsh conditions.
Samsung Galaxy Watch Ultra Design
The 47mm smartwatch has a bright 1.5-inch AMOLED screen with peak brightness of 3,000 nits. The display is clear and visible even in direct sunlight. The watch has robust durability specs:
Specification | Rating |
---|---|
Water Resistance | 10 ATM/IP68 |
Temperature Range | -4°F to 131°F |
Altitude Range | Up to 29,528 feet |
Fitness Features on the Samsung Galaxy Watch Ultra
The dual-frequency GPS tracking provides truly astounding accuracy. During tests, the watch aligned distance with premium competitors reliably. Health monitoring features that are essential include:
Can detect sleep apnea, approved by FDA
Body composition analysis
Exercise measures: Functional Power Threshold (FTP)
It tracks your daily well-being with a new Energy Score feature ranging from 0-100, based on your sleeping patterns and levels of activity.
Samsung Galaxy Watch Ultra Performance Test
Battery life was around 70 hours with heavy use of GPS. Different power modes are also available to users:
Mode | Duration |
---|---|
Standard Use | Up to 70 hours |
Exercise Power Saving | Up to 48 hours |
Power Saving | Up to 100 hours |
The new Exynos W1000 processor runs three times faster than previous generations. The BioActive sensor tracks heart rate more accurately during intense workouts.
At $649.99, the Galaxy Watch Ultra serves as a premium fitness watch that delivers on durability and performance. It runs on Wear OS 5 with Samsung’s One UI 6 interface and works smoothly with Android devices running version 11 or later.
Google Pixel Watch 3

This, and the integration with Google’s ecosystem, is what makes the original Google Pixel Watch 3 stand out as a fitness watch compared to others. The device is available in two sizes: a 41mm version from $349 and a 45mm variant from $399. The LTE variants will run you an additional $100.
Google Pixel Watch 3 Integration
This watch literally brings the connected experience to life. It functions as a remote for your Google TV, displays feeds from Nest Cameras, and enables the unlocking of compatible BMW and MINI vehicles. You can use it even to control your Pixel phone’s camera, advantageously with viewfinder preview functionality to help you take individual shots as well as groups.
Health Features of Google Pixel Watch 3
The Fitbit integration fuels some granular health-tracking features. It comes with some exciting new features:
Loss of Pulse Detection: It calls the emergency services automatically if your heart stops beating
Morning Brief: Sleep quality, readiness score, and weather updates at wakeup
Cardio Load tracks your heart workload through your daily activities
Heart rate monitoring rivals that of chest straps through intense workouts. You can wear the watch for 14 consecutive days before it can start to make training recommendations with Target Load metrics that increase your efficiency but not until you wear the watch for two weeks.
Google Pixel Watch 3 User Experience
The display technology really shines with:
Feature | Specification |
---|---|
Brightness | 2,000 nits |
Battery Life | 24 hours (always-on) |
Extended Life | 36 hours (Battery Saver) |
Runners will love the detailed metrics like stride length, ground contact time, and vertical oscillation. The device tracks more than 40 different exercise modes, so it works well for all types of workouts.
The 45mm version packs 35% more battery capacity, which is great for frequent exercisers. Since it needs Android 10 or newer, this watch positions itself as a premium fitness companion for Android users.
Amazfit GTR 4

Image Source: Amazfit
The Amazfit GTR 4 shows you don’t need to spend big money to get a premium fitness watch experience. My testing shows this device gives you amazing value at $170.00.
Amazfit GTR 4 Specifications
The watch has a vibrant 1.43-inch AMOLED display with 326 PPI resolution. Tempered glass, equipped with both an anti-fingerprint coating and an anti-glare bezel, protects the screen, ensuring its clarity.
The battery life beats most competitors:
Usage Mode | Duration |
---|---|
Typical Use | 14 days |
GPS Mode | 44 hours |
Battery Saver | 24 days |
Clock Mode | 50 days |
Amazfit GTR 4 Tracking Capabilities
The watch excels at complete health monitoring with its BioTracker 4.0 sensor. My tests covered several key features:
- Heart rate and blood oxygen monitoring
- Sleep tracking with REM stage analysis
- Stress level measurements
- Automatic activity detection for 8 sports
The dual-frequency GPS antenna technology delivers positioning accuracy that’s 99% as precise as top handheld GPS locators. This precision really shines during urban runs, where standard GPS devices don’t deal very well with interference.
Amazfit GTR 4 Value Proposition
The watch supports over 150 sports modes. All the same, its smart recognition capability stands out the most. The device can detect and count reps during strength training exercises automatically.
Popular platform integration adds real value to this device. The watch lets you sync workout data with Strava and adidas Running easily. Amazon Alexa support makes it a capable smart assistant.
Swimmers and outdoor enthusiasts will appreciate the 5 ATM water resistance rating. The aluminum alloy build weighs just 34g without the strap, so you can wear it comfortably all day long.
Garmin Venu 3

Image Source: Garmin
My month-long test of the Garmin Venu 3 showed this fitness watch is great at tracking health metrics. The watch has a beautiful 1.4-inch OLED display with 454 x 454 resolution that makes everything look crisp and clear.
Garmin Venu 3 Features Overview
The watch’s battery life really impressed me. It runs for about 5 days with the screen always on. You can make voice calls through your phone connection, and the watch has a built-in voice assistant.
Key Specifications:
Feature | Details |
---|---|
Display | 1.4-inch OLED |
Battery Life | Up to 5 days (screen on) |
Water Resistance | 5 ATM |
Price | $399.99 (after $50 discount) |
Health Monitoring on the Garmin Venu 3
The sleep tracking features transformed the way I wake up in the mornings. Here are the features that make the most difference:
Personalized Sleep Coach with tailored tips
Nap detection and tracking
HRV (Heart Rate Variability) monitoring
Body Battery energy tracking
The Morning Report summarizes my sleep quality, recovery status, and finds my calendar for the day. The Body Battery feature allows me to track how various activities impact my energy levels throughout the day.
Garmin Venu 3 Sports Modes
The watch is loaded with more than 30 GPS and indoor sports apps. I used a number of workout modes during testing, including:
Running with advanced metrics
Swimming (pool and open water)
Rep counting in strength training
Yoga with on-screen guidance
It also stands out from the rest of the pack because of its built-in speaker for audio alerts and guided workouts. You can practice meditation sessions with audio and visual directions without the requirement of headphones.
The training insights are helpful so you know what workout benefits you’re achieving and what recovery time you should take between sessions. The watch automatically finds workouts, including what it described as total workout volume during strength training. In my last deadlift session I tracked 9,541 pounds of dead weight.
The Venu 3 is notable for its precise sleep tracking and rich health metrics. It play nicely with popular apps like Ring Doorbell that show preview screenshots on your wrist. That makes it more than a fitness watch, though; it’s a solid everyday companion.
Comparison Table
Model | Price | Display | Battery Life | Key Health Features | Water Resistance |
---|---|---|---|---|---|
Apple Watch Series 10 | $399 (42mm), $449 (46mm) | Wide-angle OLED, 30% more viewing area | 80% charge in 30 min | ECG, sleep apnea detection, temperature sensing, heart rate monitoring | Yes (depth gage included) |
Garmin Fenix 8 | $999-$1199 | AMOLED (43mm, 47mm, 51mm options) | Up to 29 days (51mm AMOLED), Up to 48 days (51mm Solar) | VO2 max, HRV status, training readiness score | Up to 40 m diving |
Fitbit Charge 6 | $159.95 | Not mentioned | Up to 7 days | 40+ exercise modes, 60% more precise heart rate monitoring, SpO2 sensor | Not mentioned |
Samsung Galaxy Watch Ultra | $649.99 | 1.5-inch AMOLED, 3,000 nits | Up to 70 hours standard use | Sleep apnea detection, body composition, FTP cycling metrics | 10 ATM/IP68 |
Google Pixel Watch 3 | $349 (41mm), $399 (45mm) | 2,000 nits brightness | 24 hours (always-on), 36 hours (Battery Saver) | Loss of pulse detection, cardio load tracking, morning brief | Not mentioned |
Amazfit GTR 4 | $170.00 | 1.43-inch AMOLED, 326 PPI | Up to 14 days typical use | Heart rate, blood oxygen, sleep tracking, stress monitoring | 5 ATM |
Garmin Venu 3 | $399.99 | 1.4-inch OLED (454×454) | Up to 5 days (screen on) | Sleep coach, nap detection, HRV monitoring, body battery tracking | 5 ATM |
Conclusion
I’ve extensively tried all seven of these fitness watches—and found some incredible breakthroughs in health tracking tech across the board. Fitness trackers are one of the best ways to get detailed fitness tracking and long battery life, and budget options like the Fitbit Charge 6 and Amazfit GTR 4 offer both. We have the pricey Apple Watch Series 10 and Garmin Fenix 8, packing all the advanced health monitoring features.
It turned out that battery life was an important criteria during testing. The Amazfit GTR 4 excels with its phenomenal 14-day endurance while the Apple Watch Series 10 compensates with faster top-up speeds. Health-monitoring features big, big vary — Samsung and Apple’s sleep-apnea detection pop, while Garmin’s wearables impress with training metrics.
Selecting the best fitness watch and fitness apps really depends on your needs. More advanced training features for athletes will be found in the Garmin Fenix 8 or the Samsung Galaxy Watch Ultra. If you have an Apple-centric environment, you can leverage the Series 10’s seamless integration. If your goal is good fitness tracking on a budget, then you’ll appreciate the superb pricing of the Fitbit Charge 6 or Amazfit GTR 4.
So the best fitness watch isn’t necessarily the most expensive — it’s the one that suits your lifestyle and gets you the most toward your health goals.