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The Huawei Watch Fit 3 is the better pick for battery life, fitness basics and Android compatibility; the Apple Watch Series 9 is the more capable smartwatch for iPhone owners. That distinction matters more than a feature-count contest: the Fit 3 puts workouts and multi-day use first, while Apple’s watch adds a deeper app, health and communications ecosystem. If you use Android, the Series 9 is not a practical option. If you use an iPhone, decide whether Apple’s integration is worth charging about every day.
This is also an older-generation comparison: Huawei introduced the Fit 3 in 2024 and Apple introduced Series 9 in 2023. In 2026, assess the Apple watch at its actual used, refurbished or clearance price, and compare it with newer Apple models before buying.
At a glance
| What matters most | Better fit | Why |
|---|---|---|
| Android compatibility | Huawei Watch Fit 3 | It supports Android; Apple Watch requires an iPhone. |
| Battery between charges | Huawei Watch Fit 3 | Huawei estimates around seven days of typical use, subject to conditions. |
| Apps and iPhone integration | Apple Watch Series 9 | It has a broader app ecosystem and closer Apple Health, Fitness and device integration. |
| ECG | Apple Watch Series 9 | It has an ECG app; the Fit 3 documentation does not list one. |
| Fitness basics at a lower ownership burden | Huawei Watch Fit 3 | It covers common workouts and wellness tracking while needing less frequent charging. |
| All-round smartwatch features | Apple Watch Series 9 | It offers richer communications, payments and third-party apps, with availability varying by region and configuration. |
Quick verdict: Choose the Fit 3 if you prioritize workouts, everyday wellness tracking and fewer charging stops. Choose Series 9 if you have an iPhone and want a fuller smartwatch, including ECG and Apple ecosystem features. For either watch, the presence of a sensor or workout mode does not prove greater measurement accuracy.
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First question: which phone do you use?
The Apple Watch Series 9 requires an iPhone and does not pair with Android phones. Its original compatibility requirement was iPhone XS or later with iOS 17 or later; check Apple’s current requirements against your specific iPhone and watchOS version before purchasing. Apple’s Series 9 specifications provide the model details.
#1 Best Overall
![SAMSUNG Galaxy FIT 3 [2025, 40MM] 1.6' AMOLED Display | IP68 Water Resistant | 14 Days Battery Life | 100+ Watchfaces | 100+ Exercise Modes | International Model (Fast Charger Bundle, Black)](https://m.media-amazon.com/images/I/418RlYE+wfL._SL160_.jpg)
- Vibrant 1.6” AMOLED Display – Large, high-res screen with smooth touch for easy navigation
- 5ATM & IP68 Water Resistance – Swim-ready and dust-resistant for active lifestyles
- Up to 14 Days Battery Life – Powerful 208mAh battery for long-lasting performance
- 101+ Workout Modes with Auto Detection – Automatically tracks common workouts for seamless fitness tracking. Advanced Health Tracking – Includes sleep coaching, SpO2, heart rate, and snore detection
- International Model No Warranty in the US. ONLY compatible with Android devices. Samsung Pay - Not Supported. NOT compatible with iPhone or iOS devices.
The Watch Fit 3 supports Android 8.0 or later, HarmonyOS 2 or later, and iOS 13.0 or later, using Huawei Health. Basic pairing does not mean every feature works on every platform. Huawei’s compatibility table lists iOS limitations, including no local music transfer and no voice assistant, as well as unavailable style watch faces and certain health-research features. Feature support can also depend on country, phone model, app version and firmware.
- Android owner: The Fit 3 is the option here. Apple Watch is not an Android alternative.
- iPhone owner who wants a full smartwatch: Series 9 is the more seamless choice.
- iPhone owner who mainly wants activity tracking and long battery life: Fit 3 may still suit you, but expect a less integrated experience and use Huawei Health rather than Apple’s native watch ecosystem.
Confirm the Huawei Health app is available in your region and on your phone before buying. Huawei lists the app in the U.S. App Store, but availability and features may differ elsewhere.
Design, display and comfort
The Fit 3 has a square display and a 43.2 × 36.3 × 9.9 mm case, according to Huawei’s specifications. It is positioned as a fitness-watch hybrid rather than a full app platform. Apple offered Series 9 in 41 mm and 45 mm cases, in aluminum or stainless steel. The 45 mm aluminum GPS version weighs about 38.7 g without its band; the 41 mm aluminum GPS version is about 31.9 g. Apple lists a 10.7 mm case thickness. Case size, material and band all change the feel on the wrist.
Apple gives buyers more case and band choice. A smaller Series 9 may be easier to sleep in for some wrists; the Fit 3’s longer battery estimate makes it easier to wear overnight without planning a daily charging window. Neither is automatically more comfortable for every person: wrist size, band fit, sleep habits and preference for each screen shape matter.
Series 9 has an always-on Retina OLED display rated up to 2,000 nits, plus an S9 SiP and 64 GB of storage. Check Huawei’s regional specification page for its precise display and hardware details rather than relying on retailer descriptions. Apple’s brighter, more app-oriented display is part of its broader smartwatch advantage; the Fit 3’s appeal is the overall balance of fitness functions and endurance, not a claim of superior screen technology.
Rank #2
![SAMSUNG Galaxy FIT 3 [2024] 1.6' AMOLED Display | 14 Days Battery Life | 100+ Watchfaces | 100+ Exercise Modes | International Model - (Pink)](https://m.media-amazon.com/images/I/31mWI71wuzL._SL160_.jpg)
- Vibrant 1.6” AMOLED Display – Large, high-res screen with smooth touch for easy navigation
- 5ATM & IP68 Water Resistance – Swim-ready and dust-resistant for active lifestyles
- Up to 14 Days Battery Life – Powerful 208mAh battery for long-lasting performance
- 101+ Workout Modes with Auto Detection – Automatically tracks common workouts for seamless fitness tracking. Advanced Health Tracking – Includes sleep coaching, SpO2, heart rate, and snore detection
- International Model No Warranty in the US. ONLY compatible with Android devices. Samsung Pay - Not Supported. NOT compatible with iPhone or iOS devices.
Battery life: Huawei’s clearest advantage
| Model | Manufacturer estimate | What to keep in mind |
|---|---|---|
| Huawei Watch Fit 3 | Up to 10 days under specified use; about 7 days typical; about 4 days with always-on display | Huawei’s test assumptions include heart-rate monitoring, sleep tracking, notifications and a defined amount of GPS exercise. These are estimates, not guarantees. |
| Apple Watch Series 9 | Up to 18 hours of normal use | Apple rates battery life under its own test conditions. Low Power Mode can extend use but reduces or disables some functions; fast charging is supported. |
These figures come from different manufacturers’ test methods and should not be treated as directly equivalent laboratory measurements. GPS workouts, an always-on display, Bluetooth calls, frequent screen use and notifications can all reduce runtime. The useful difference is practical: Huawei is built for several days between charges, while Series 9 is generally a daily-charge watch. Huawei’s estimates are on its Fit 3 specification page; Apple’s battery rating is in its Series 9 specifications.
- Choose Fit 3 if you want to track sleep for several nights, travel without packing a charger, or simply avoid a daily charging routine.
- Choose Series 9 if its app and iPhone features matter enough that a daily charge is an acceptable trade-off. Fast charging can help with a quick top-up, but it does not make the watch multi-day.
Fitness and workout tracking
Both watches cover the common activities most casual exercisers need: walking, running, cycling, gym sessions and swimming. Huawei’s compatibility documentation lists 89 sports modes, including indoor and outdoor running, walking, cycling, swimming, elliptical, rowing, jump rope, strength training and free training. It also lists selected automatic workout recognition and GPS tracking. A mode count says what the watch can record; it does not mean every mode offers the same depth of analysis.
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The Fit 3 makes more sense if you want built-in GPS workouts and general activity tracking without the same app-and-notification emphasis or charging frequency. For casual exercise, either may be enough. Neither should be called the more accurate watch for GPS, heart rate, calories, sleep stages or automatic workout detection without independent testing. Official feature lists confirm availability, not accuracy.
For structured training, heavy endurance use, recovery analysis or detailed navigation, neither is the obvious specialist. Consider a Garmin or COROS model selected for your sport if training tools and longer GPS endurance matter more than general smartwatch features.
Rank #3
- BIGGER DISPLAY. MAX CLARITY: Active Max features a shine brighter screen with a 3,000-nit display engineered for ultimate clarity, even under the harshest sunlight. See your data clearly on a large 1.5″ ultra-bright AMOLED display built for easy readability in any condition — from the gym to the mountains.
- BIGGER BATTERY, MAX ENDURANCE: Go longer between charges with reliable power built for every routine. With up to 25 days of battery, the Active Max smart watch keeps up with your routine day and night.
- BIGGER STORAGE. SMARTER MAPS: With 4GB of onboard storage, you have more space for your favorite music and downloaded maps with turn-by-turn directions — all accessible right from your wrist.
- BIGGER TRAINING, SMARTER INSIGHTS: From strength sessions to long runs, the Active Max tracker adapts to how you train with 170+ workout modes and personalized Zepp Coach running plans.
- BIOCHARGE ENERGY MONITORING: Your BioCharge score adjusts based on your daily workouts and stress levels to help you understand when to push harder and when to rest, so you can train smarter and recover better.
Health features: ECG is a meaningful difference
Huawei lists continuous heart-rate monitoring, blood oxygen monitoring, sleep tracking, stress and breathing exercises, menstrual-cycle tracking and pulse-wave arrhythmia analysis for the Fit 3, with availability depending on platform and feature support. Apple lists a third-generation optical heart sensor, an electrical heart sensor, the ECG app, high- and low-heart-rate notifications, irregular-rhythm notifications, cardio-fitness notifications and temperature sensing for Series 9.
The Series 9’s ECG app is a distinct capability; Huawei’s pulse-wave arrhythmia analysis is not the same thing as an ECG. That does not make either watch a diagnostic device, and a watch alert should not replace medical evaluation. Health readings can be affected by fit, skin contact, movement, tattoos, temperature and exercise intensity.
Blood oxygen functionality needs extra care. Availability depends on country, exact Apple model and software status; U.S. Series 9 units have had model-specific complications. Check Apple’s health-feature availability information and the exact listing for the unit you are buying. Do not assume a feature works merely because another regional specification page lists it.
For basic wellness tracking with fewer charging interruptions, the Fit 3 is compelling. For ECG and a broader integrated health-and-safety feature set on an iPhone, Series 9 has the edge. A longer list of metrics does not establish better clinical usefulness or accuracy.
Smartwatch features, apps and everyday use
Series 9 is the better general-purpose smartwatch. It offers a much larger third-party app ecosystem, richer notifications and communications, Siri, Apple Health and Fitness integration, Apple Pay where supported, Find My integration and optional cellular models for connectivity away from an iPhone. Payments, cellular service and some safety features depend on country, bank, carrier, model and setup.
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- 24/7 Health Tracking: Watch 3 Pro can monitor heart rate, blood oxygen (SpO₂), stress levels in real time with an advanced 4-channel sensor for improved accuracy during activity and rest. This health tracker smartwatch can offer advanced sleep tracking helps analyze naps, recovery, and sleep quality for better daily wellness insights.
- 130+ Sports Modes: The sports smartwatch supports 130+ exercise modes with GOMORE-powered performance analysis, 7-type motion recognition, and precision activity tracking to help monitor workouts, training load, recovery, and daily movement more accurately. Active Score (MET-based fitness tracking), precision step counting, and smart health guidance help support a healthier lifestyle.
- Smart Everyday Convenience: Stay connected with the bluetooth smartwatch featuring dual high-performance MEMS microphones, a built-in speaker, and AI-based noise reduction trained on over 100,000 voice samples for clearer calls. Make and receive calls directly from your wrist, sync up to 30 contacts for quick access, control music playback, and send quick replies while working, commuting, cooking, or exercising without constantly checking your phone.
- 13-Day Battery Life: Enjoy up to 13 days of battery life on the smartwatch with just 2.5 hours charging time for daily use. Designed for work, workouts, travel, and busy schedules, CMF Watch 3 Pro delivers reliable power for music playback, quick replies, calls, and everyday activity tracking without frequent charging interruptions.
- AMOLED Display & Smart Lifestyle Sync: Featuring a vibrant AMOLED display, this smartwatch for Android and iPhone delivers clear visibility for health data, messages, and workouts indoors or outdoors. Seamlessly sync with Apple Health, Google Fit, and Strava to manage fitness tracking, wellness insights, and daily activity data in one connected ecosystem.
Fit 3 includes useful companion functions such as Bluetooth calling, incoming-call and message notifications, music control, weather, alarms, timers, stopwatch, flashlight, schedule functions and watch faces. Some music, assistant and remote-photo functions vary by phone platform. Huawei’s compatibility table says local music transfer is unavailable on iOS, so an iPhone owner should not buy it expecting the same music experience as an Apple Watch.
Think of the Fit 3 as a fitness watch that can handle selected smartwatch tasks. It is not an equivalent replacement for Apple Watch apps, payments, navigation, voice assistance, home controls or Apple’s broader communications and family features.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.GPS, swimming and outdoor use
Apple lists 50-meter water resistance, swim tracking, GPS/GNSS/Galileo/BeiDou, a compass and other outdoor-oriented functions for Series 9. Huawei’s regional specifications list the Fit 3’s sensors and water-resistance details. Check the exact regional page for the unit you plan to buy, and do not treat a water-resistance rating as approval for diving.
For ordinary recorded routes and outdoor workouts, both offer GPS tracking. If you need on-watch navigation maps rather than route recording, verify the exact apps and functions you plan to use; the Fit 3 is not a substitute for a specialist outdoor watch. Long GPS sessions, cold weather, frequent screen use and swimming can affect battery life. Water resistance can also deteriorate with age, impact, chemicals or repairs, so take extra care with a used watch.
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Which one should you buy?
Choose Huawei Watch Fit 3 if…
- You use Android, or you are an iPhone user whose priority is basic fitness rather than seamless Apple integration.
- You value multi-day battery life and sleep tracking without frequent charging.
- Your routine is mainly walking, running, cycling, gym work, swimming and general wellness.
- You want GPS tracking and selected smartwatch functions without paying for an app-rich Apple watch.
- You are comfortable using Huawei Health and do not need ECG, cellular independence or a deep third-party app platform.
Choose Apple Watch Series 9 if…
- You own an iPhone and want the most complete smartwatch experience of these two.
- You value apps, notifications, calls, payments, Apple Health/Fitness integration or Apple-device features.
- You want an ECG app and are comfortable treating health alerts as screening features, not diagnoses.
- You accept daily charging and find Series 9 at a substantial discount to newer Apple models.
Consider neither if…
- You need serious training analytics, recovery tools, structured endurance plans or robust offline maps.
- You require both week-long battery life and advanced sport-specific features.
- You want the longest likely software-support runway from a current-generation product: compare current Apple Watch or newer Huawei options in your region.
Garmin and COROS are worth considering for endurance training and sports-focused data; Amazfit may appeal to buyers focused on low price and battery life. Compare exact current models, software and regional availability rather than assuming every product in a brand’s range has the same capabilities.
Best Value
![SAMSUNG Galaxy FIT 3 [2024] 1.6' AMOLED Display | 14 Days Battery Life | 100+ Watchfaces | 100+ Exercise Modes | International Model - (Gray)](https://m.media-amazon.com/images/I/31JyN7HkB8L._SL160_.jpg)
- Vibrant 1.6” AMOLED Display – Large, high-res screen with smooth touch for easy navigation
- 5ATM & IP68 Water Resistance – Swim-ready and dust-resistant for active lifestyles
- Up to 14 Days Battery Life – Powerful 208mAh battery for long-lasting performance
- 101+ Workout Modes with Auto Detection – Automatically tracks common workouts for seamless fitness tracking. Advanced Health Tracking – Includes sleep coaching, SpO2, heart rate, and snore detection
- International Model No Warranty in the US. ONLY compatible with Android devices. Samsung Pay - Not Supported. NOT compatible with iPhone or iOS devices.
Buying a Series 9 in 2026: price and condition matter
Series 9 is an older generation, so it may be offered as refurbished, used, open-box or remaining stock rather than as a current flagship. There is no single useful current price: case size, GPS versus cellular, condition, warranty and seller all change the value. Apple’s refurbished watch listings are dynamic, and availability varies by configuration. Compare the actual Series 9 price with a current Apple Watch or SE model before deciding; if the gap is small, a newer model may be the better buy.
For a used or refurbished Series 9, check battery health, Activation Lock status, warranty and return window. For a cellular unit, verify carrier compatibility and whether the seller’s model is suitable for your region. Check blood oxygen availability against the exact unit and country rather than relying on a generic feature list.
For a Fit 3, verify regional warranty, what is included in the box, Huawei Health availability on your phone and the feature set for your operating system. An imported unit can have different support or warranty terms. Do not compare the Series 9’s old launch price with the Fit 3’s current price; compare the configurations and condition you can actually buy.
Final verdict
For an Android owner or a battery-conscious fitness buyer, the Huawei Watch Fit 3 is the straightforward choice. For an iPhone owner who wants apps, communications, ECG and deep Apple integration, the Apple Watch Series 9 is the stronger smartwatch—provided its age, daily charging and actual sale price make sense. There is no universal winner: choose the watch that suits your phone and the way you intend to use it.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
