Are Fitness Smartwatches Compatible With Android And IOS?

24 minutes read

Fitness smartwatches are generally compatible with both Android and iOS devices, although compatibility can vary depending on the brand and model of the smartwatch. Most major smartwatch manufacturers design their devices to work with both operating systems to appeal to a broader range of consumers. For Android devices, compatibility is typically seamless, enabling full integration of features like notifications, fitness tracking, and app usage. On the iOS side, while fitness smartwatches are also compatible, some features might be limited compared to pairing with an Android device, particularly with deeper system integrations and app functionalities. However, major brands like Apple, Samsung, and Fitbit ensure a high level of functionality across both platforms, with dedicated apps available on the Apple App Store and Google Play Store to facilitate connectivity and access to features. It is always a good idea to check the specific requirements and capabilities of a smartwatch with the manufacturer's information to ensure compatibility with your device.

Best Fitness Smartwatches of March 2025

1
Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Waterfall Blue/Platinum, One Size (S & L Bands Included)

Rating is 5 out of 5

Fitbit Versa 4 Fitness Smartwatch with Daily Readiness, GPS, 24/7 Heart Rate, 40+ Exercise Modes, Sleep Tracking and more, Waterfall Blue/Platinum, One Size (S & L Bands Included)

  • Get inspired and stay accountable with Versa 4 + Premium - learn when to work out or recover, see real-time stats during exercise and find new ways to keep your routine fresh and fun.Operating temperature: -14° to 113°F. Radio transceiver: Bluetooth 5.0.Maximum operating altitude : 28,000 feet (8,534 m).
  • Built for better fitness results: Daily Readiness Score(1), built-in GPS and workout intensity map, Active Zone Minutes, all-day activity tracking and 24/7 heart rate, 40+ exercise modes and automatic exercise tracking, water resistant to 50 meters
  • Tools to measure and improve sleep quality: personalized Sleep Profile(1), daily sleep stages & Sleep Score, smart wake alarm and do not disturb mode. Compatibility-Apple iOS 15 or higher, Android OS 9 or higher
  • Maintain a healthy body and mind: daily Stress Management Score, reflection logging, SpO2(2), health metrics dashboard(3), guided breathing sessions, menstrual health tracking and mindfulness content
2
Garmin vívoactive 5, Health and Fitness GPS Smartwatch, AMOLED Display, Up to 11 Days of Battery, Black

Rating is 4.9 out of 5

Garmin vívoactive 5, Health and Fitness GPS Smartwatch, AMOLED Display, Up to 11 Days of Battery, Black

  • Designed with a bright, colorful AMOLED display, get a more complete picture of your health, thanks to battery life of up to 11 days in smartwatch mode
  • Body Battery energy monitoring helps you understand when you’re charged up or need to rest, with even more personalized insights based on sleep, naps, stress levels, workouts and more (data presented is intended to be a close estimation of metrics tracked)
  • Get a sleep score and personalized sleep coaching for how much sleep you need — and get tips on how to improve plus key metrics such as HRV status to better understand your health (data presented is intended to be a close estimation of metrics tracked)
  • Find new ways to keep your body moving with more than 30 built-in indoor and GPS sports apps, including walking, running, cycling, HIIT, swimming, golf and more
  • Automatic nap detection and nap logging tracks your nap length during the day, providing personalized insights on how it affects your Body Battery energy monitoring and more (data presented is intended to be a close estimation of metrics tracked)
3
Smart Watch(Answer/Make Call), 2025 New Smartwatch for Men Women, 1.96" HD Fitness Watch with 110+ Sport Modes, Heart Rate, Sleep Monitor, Pedometer, IP68 Waterproof Activity Tracker for Android iOS

Rating is 4.8 out of 5

Smart Watch(Answer/Make Call), 2025 New Smartwatch for Men Women, 1.96" HD Fitness Watch with 110+ Sport Modes, Heart Rate, Sleep Monitor, Pedometer, IP68 Waterproof Activity Tracker for Android iOS

  • 2025 New Smart Watch with Bluetooth Call/Intelligent Notifications: The smart watches for men adopts bluetooth 5.3 version for a faster and more stable connection. With a built-in premium microphone and hd speaker, allowing you to answer calls and interact with voice assistants directly from smartwatch. Meanwhile, you can receive message notifications and read them from your watch, such as Facebook, Messenger, Instagram, Gmail, Whatsapp, Twitter etc. Just raise your wrist to view messages.
  • 1.96" HD Big Screen and Unlimited Customization Dials: smart watches for women adopt 1.96”TFT HD color display screen (320*386 resolution) which making it easy to operate and sensitive, experience crystal-clear visuals like never before. 4 level brightness adjustable allows you to read time and data clearly even under the glare. 200+ Multiple trendsetting combinations to match your mood and outfit of the day. Even create and customize your own mens smart watch faces from your phone gallery.
  • 24/7 Heart Rate Monitor and Sleep Tracker: Adopted high-performance optical sensors, Fitness tracker provides health monitoring features such as 24-hour continuity real-time Heart Rate, SpO2, and Sleep Monitoring(Deep/light sleep). It accurately monitors your heart rate in real time nd better understand your heart rate trends. Also, it provides a detailed analysis of your sleep quality and facilitating lifestyle adjustments by "GloryFit" continuously recording your sleep patterns.
  • All Day Activity and Practical Functions: During exercise, sport smart watch automatically records daily steps, distance counter,calories burned, active minutes. This fitness watch men has other useful features offered like remote camera, music control, weather forecast, sedentary reminder, GPS tracking, stopwatch, find phone, raise to wake, alarm clock, calculator, etc. It makes things on your wrist simple and easy, and will always work as your effective daily assissant.
4
Smart Watch, 1.85" HD Smartwatch for Men Women (Answer/Make Calls), Fitness Watch with Heart Rate/Sleep/IP68 Waterproof/120+ Sports Modes/Spo2 Monitor, Pedometer, Android Smart Watch for Android iOS

Rating is 4.7 out of 5

Smart Watch, 1.85" HD Smartwatch for Men Women (Answer/Make Calls), Fitness Watch with Heart Rate/Sleep/IP68 Waterproof/120+ Sports Modes/Spo2 Monitor, Pedometer, Android Smart Watch for Android iOS

  • Bluetooth Call and Voice Assistant: Smart watch built-in microphone and HD speaker, you can make and receive calls directly from this smart watches for men. You can also use the built-in voice assistant to ask questions, control music playback and more
  • 1.85'' HD Screen and DIY Dials: Android smart watch features a TFT HD color screen and curved 3D curved glass for superior picture quality and touch sensitivity. You can also choose from 100+ dials or personalize the dial with your favorite photos
  • 24 Hour Health Monitoring: The built-in sensor of the smart watches for women has been upgraded, which is faster and more powerful in monitoring heart rate, blood oxygen and sleep, and provides a comprehensive sleep quality analysis (non-medical standard)
  • 120+ Sports Modes: Active Fitness Tracker monitors over 120 activities including walking, running, cycling, swimming, yoga and more. Receive real-time stats directly on your wrist and record your stats in the "Da Fit" app
5
Smart Watch Health Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep Monitor, 115 Sports Modes, Step Calorie Counter Pedometer IP68 Waterproof for Android and iPhone Women Men

Rating is 4.6 out of 5

Smart Watch Health Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep Monitor, 115 Sports Modes, Step Calorie Counter Pedometer IP68 Waterproof for Android and iPhone Women Men

  • 【Health Metrics Monitoring】These fitness watches for women and men pack 24/7 heart rate, blood oxygen, blood pressure monitors and sleep tracker. You could check those real-time health metrics anytime, anywhere conveniently on your wrist and check the all-day data record in the App.The sleep tracker keeps track of time spent in different sleep stages including REM, light sleep,deep sleep,and the time when you wake up, helps you to get a better understanding of your sleep quality.
  • 【115 sports modes & All-Day Activity Tracking】There are more than 115 sports modes tracking available in the activity trackers and smartwatches, covering almost all daily sports activities you can imagine, gives you new ways to train and advanced metrics for more information about your workout performance.The all-day activity tracking feature monitors your steps, distance, and calories burned all the day, so you can see how much progress you've made towards your fitness goals.
  • 【Notifications for Calls and Messages】Getting notifications for incoming calls and texts right away from your wrist while on the go, allowing you to stay connected with family and friends with calls, texts, and email, so you never miss an important call or message. You could see the caller's name, reject the call, mute the ring-tone, and read the whole text messages directly from the smart watch for android phones and iphone.
  • 【A Considerate Life Assistant】The fitness trackers for women and men provide you with more features including drinking water reminder, sedentary reminder,menstrual cycle reminder, real-time weather display, remote camera shooting, music control,timer,and do-not-disturb mode, making it a considerate life assistant.With the GPS connectivity, you could get a map of your workout route in the app for outdoor activity by connecting to your phone GPS.
6
Jacoosa Smart Watch, 1.85" HD Smartwatches for Men Women, 100 Days Standby Time, 110+ Sport Modes with Fitness Tracker Watch, IP68 Waterproof, Heart Rate/Sleep Monitor, Fitness Watch for Android/iOS

Rating is 4.5 out of 5

Jacoosa Smart Watch, 1.85" HD Smartwatches for Men Women, 100 Days Standby Time, 110+ Sport Modes with Fitness Tracker Watch, IP68 Waterproof, Heart Rate/Sleep Monitor, Fitness Watch for Android/iOS

  • Bluetooth Call and Smart Notifications:Smart watches for men allows you to stay in touch with your family or friends anytime, anywhere, even when you're at the gym, outdoors, or doing other activities. You can also receive social media, Facebook, WhatsApp, and text message alerts on your wrist, so you'll never miss an important message or notification
  • 1.85 Inch HD Screen and DIY Dials: Smart watch features a TFT HD color screen for superior picture quality and touch sensitivity. Men's watches have more than 100 unique online dials to choose from, and you can also customize your dial. It can be any photo, such as family, pets, etc
  • 30 Days Standby Time and Multiple Features: Smartwatch has a built-in 1000 mAh high-capacity battery that ensures up to 8-14 days of use, and about 30 days of standby time with just 2 hours of charging. The sports watch also includes weather forecast, music control, camera control, alarm, stopwatch, find phone and many other useful features. Simply download “FitCloudPro” for free from the App Store or Google Play and enjoy your smart life
  • 110+ Fitness Modes and IP68 Waterproof: The fitness tracker watch offers up to 110+ exercise modes covering running, cycling, fitness and other activities to meet different users' preferences. During exercise, it records real-time data such as heart rate, steps, calories burned, distance and activity time. This men's smartwatch is IP68 waterproof and can be worn during outdoor activities, rainy days and hand washing (Note: Please do not use it in shower, sauna, swimming, etc.)
7
Smart Watch(Answer/Make Call), 1.91" Smartwatch for Men Women, NEW Fitness Watch with 110+ Sport Modes, Fitness Activity Tracke with Pedometer/Sleep Monitor/Heart Rate/IP68 Waterproof, for Android iOS

Rating is 4.4 out of 5

Smart Watch(Answer/Make Call), 1.91" Smartwatch for Men Women, NEW Fitness Watch with 110+ Sport Modes, Fitness Activity Tracke with Pedometer/Sleep Monitor/Heart Rate/IP68 Waterproof, for Android iOS

  • Bluetooth Call and Message Reminder: The mens smart watch are equipped with the latest Bluetooth 5.3 chip, which increases the connection speed by 80%, and a highly stable connection with no delay. Answer and make calls right from your wrist, and easily sync multiple mobile contacts. It also supports multiple smart reminders, including incoming calls, Email, texts, SMS messages (Facebook, WhatsApp, Twitter, Tiktok, Instagram, Gmail etc). You won't miss any important calls or notifications.
  • 1.91" HD Big Screen and DIY Dials: Fitness tracker features a TFT HD color screen (320 * 380 touch screen)and curved 3D curved glass for superior picture quality and touch sensitivity. Watch for men have more than 100+ unique online watch faces to choose from, you can also customize your watch face. It can be any photo, such as your family, star, pets, etc. Meanwhile, 4 levels manually adjust the brightness, so you can clearly see the displayed time and exercise data even in direct sunlight.
  • 24-Hour Health Activity Tracker: Smart watches for women track your Heart Rate, Blood Oxygen levels(SpO2) and Sleep patterns around the clock(deep sleep, light sleep, sleep quality analysis). And Your can track your period with menstrual cycle tracking and ovulation prediction as well. All data is presented in the "GloryFit" app, offering a comprehensive view of your health status. Watches women it is compatible with Android 5.0 and higher and iOS 9.0 and higher.


How to update the software on a fitness smartwatch?

Updating the software on a fitness smartwatch can ensure that you have the latest features, bug fixes, and improvements. Here are general steps that you can follow to update the software on most fitness smartwatches:

  1. Check Compatibility and Requirements: Make sure your smartphone is compatible with the smartwatch. Ensure that both your phone and watch have enough battery life (usually above 50%) before starting the update.
  2. Connect to Wi-Fi and Charge: Connect your smartwatch to a reliable Wi-Fi network. Place the smartwatch on its charger to prevent battery drain during the update.
  3. Use the Accompanying App: Open the app associated with your smartwatch on your smartphone. This is often a dedicated app provided by the smartwatch manufacturer (e.g., Garmin Connect, Fitbit, Apple Watch app).
  4. Check for Updates: Go to the settings or device section within the app. Look for an option such as "Software Update," "Device Update," or "Firmware Update."
  5. Install the Update: If an update is available, follow the on-screen instructions to download and install it. The update may take several minutes to complete, and your smartwatch may restart once or twice during the process.
  6. Perform a Manual Update (If Necessary): Some smartwatches allow you to initiate an update directly on the watch itself via its settings menu. Navigate to settings, then system, then software update to check for updates manually.
  7. Post-Update Steps: Once the update is complete, verify that the new software version is installed by checking the software/firmware version in the settings. Reconfigure any settings that may have been reset or changed during the update process.
  8. Troubleshooting: If the update fails, restart your devices and try again. Ensure both the watch and smartphone have a stable internet connection. Contact customer support if issues persist.


Remember that the exact steps can vary depending on the make and model of your smartwatch, so refer to the user manual or the manufacturer's website for detailed instructions tailored to your specific device.


What is the best fitness smartwatch for Android?

As of the latest updates, the Samsung Galaxy Watch 6 series is often regarded as one of the best fitness smartwatches for Android users. It offers a comprehensive set of features including advanced health tracking, a variety of fitness tracking modes, GPS, and strong integration with Android devices. Additionally, it boasts a sleek design, a vibrant display, and robust software capabilities.


Another strong contender is the Google Pixel Watch, which integrates well with the Android ecosystem and offers features like heart rate monitoring, ECG, and sleep tracking. It also benefits from the synergy with Google’s Wear OS platform, which supports a wide range of apps and services.


Other options like the Garmin Venu 2 or Fitbit Sense 2 cater to more specific fitness-focused needs, offering in-depth fitness metrics and tracking capabilities.


Ultimately, the best choice depends on your specific fitness goals, design preferences, and how you plan to use the smartwatch in conjunction with your Android device.


How to troubleshoot connectivity issues with a smartwatch?

Troubleshooting connectivity issues with a smartwatch can involve several steps, depending on whether the problem lies in the connection between the smartwatch and a smartphone, Wi-Fi, or other devices. Here’s a general guide to help you resolve these issues:

Smartphone Connectivity

  1. Check Bluetooth Connection: Ensure that Bluetooth is enabled on both the smartwatch and the smartphone. Try toggling Bluetooth off and on again on both devices. Check if the devices are within the recommended range (usually 10 meters or 33 feet).
  2. Restart Devices: Restart both the smartwatch and the smartphone to reset any temporary issues.
  3. Re-pair Devices: Unpair the smartwatch from the smartphone and then pair them again. Go to the Bluetooth settings on your phone, forget the device, and redo the pairing process.
  4. App Issues: Ensure the smartwatch app on your smartphone is up to date. Clear the cache of the smartwatch app or reinstall the app if necessary.
  5. Software Updates: Update the smartwatch firmware and the smartphone operating system to the latest versions.
  6. Check for Interference: Ensure there’s no electronic interference nearby that could be disrupting the Bluetooth connection.

Wi-Fi Connectivity

  1. Verify Wi-Fi Settings: Make sure Wi-Fi is enabled and connected to the correct network on the smartwatch.
  2. Network Issues: Restart your router to resolve any temporary connectivity issues. Ensure that the router is functioning correctly and that other devices can connect.
  3. Signal Strength: Ensure the smartwatch is within range of a strong Wi-Fi signal.
  4. Network Credentials: Double-check the network credentials on the smartwatch for accuracy.

Other Connectivity Issues

  1. Check Battery Levels: Ensure your smartwatch has sufficient battery life, as connectivity can be affected by low power.
  2. Factory Reset: As a last resort, consider performing a factory reset on the smartwatch. This will erase all data but can resolve persistent connectivity issues.
  3. Check Compatibility: Ensure that both the smartwatch and the connected device are compatible with each other.
  4. Contact Support: If the issue persists, consult the manufacturer's support for assistance.


Always refer to the user manual or the manufacturer’s website for model-specific troubleshooting guides and support.


How to enable or disable features on a fitness smartwatch?

Enabling or disabling features on a fitness smartwatch can vary depending on the brand and model of your device. However, here are some general steps you can follow:

  1. Read the Manual: Start by referring to the user manual that came with your smartwatch. It will provide specific instructions tailored to your model.
  2. Use the Smartwatch Settings: Access the Settings: Wake up your smartwatch and go to the main menu. Look for an icon or option that’s labeled “Settings.” Navigate to Features: In the settings menu, find a section that includes the features or applications. This may vary in naming (such as “Apps” or “Features”). Enable/Disable Features: Once you’re in the appropriate menu, you should see a list of features. Select each feature to enable or disable it based on your preference. This might involve toggling a switch or checking/unchecking an option.
  3. Use a Companion App: Open the App: Most smartwatches have a companion app on your smartphone, like the Apple Watch app, Samsung Galaxy Wearable app, or Fitbit app. Connect Your Device: Ensure your smartwatch is connected to the app via Bluetooth. Find the Device Settings: Within the app, locate your device settings or management section. Modify Features: Look for a list of features or applications available on your smartwatch. Similar to the smartwatch settings, you can toggle these features on or off.
  4. Check for Specific Modes: Some smartwatches have specific modes that enable or disable multiple features at once (like “Do Not Disturb” or “Theater Mode”). You can access these modes either through settings or quick-access menus.
  5. Update Your Software: Make sure your smartwatch software and companion app are up to date. Often, updates can change how features are managed or add new functionalities.
  6. Utilize Voice Commands: If your smartwatch supports voice commands, you might be able to enable or disable certain features verbally. Check if this capability is available and how to use it effectively.
  7. Explore Online Resources: If the manual is not available, or if you prefer additional help, you can often find tutorials or FAQs on the manufacturer’s website or popular tech forums and communities.


Always be cautious when changing settings, as some features might be essential for the smartwatch’s performance or safety features.


How do fitness smartwatches calculate calories burned?

Fitness smartwatches use a combination of sensors and algorithms to estimate the number of calories burned by an individual. Here's an overview of how they typically achieve this:

  1. Heart Rate Monitoring: Many fitness trackers include optical heart rate sensors that use photoplethysmography (PPG) to measure heart rate. The heart rate data is crucial because there's a correlation between heart rate and energy expenditure, especially during exercise.
  2. Accelerometers: These sensors track movement and activity levels, such as steps taken, distance traveled, and intensity of movement. The data from accelerometers help in distinguishing between different types of activities, like walking, running, or cycling, which burn calories at different rates.
  3. Gyroscopes: Often used alongside accelerometers, gyroscopes can help determine the orientation and rotation of your body, providing additional data on your movement patterns.
  4. Personal Information: Users are typically required to input personal data such as age, gender, weight, and height. This information helps in personalizing the calorie expenditure calculations since different body compositions burn calories at different rates.
  5. Algorithms: The smartwatch uses complex algorithms that integrate data from all the sensors to estimate calories burned. These algorithms are often proprietary and are the result of extensive research and development. They can differentiate between activities and use the collected data to provide a more accurate estimate of energy expenditure.
  6. GPS: In models equipped with GPS, data on speed and distance are factored into the calculations, which can improve accuracy for activities such as running or cycling.


It is important to note that while smartwatches provide estimates of calories burned, they are not always 100% accurate due to variations in individual metabolic rates, sensor limitations, and algorithmic assumptions. However, they can give a reasonable approximation and are useful for tracking general activity levels and trends over time.


How to pair a fitness smartwatch with an iOS device?

Pairing a fitness smartwatch with an iOS device can vary slightly depending on the brand and model of the smartwatch. However, here is a general guide that should help you through the process:

  1. Check Compatibility: Ensure that your smartwatch is compatible with your iOS device. Check the smartwatch manufacturer's website or the product documentation for compatibility information.
  2. Download the App: Most smartwatches require a specific app for full functionality on your iPhone. Search the App Store for the app associated with your watch (e.g., for Apple Watch, use the "Watch" app; for Fitbit, use the "Fitbit" app).
  3. Charge Your Devices: Make sure both your iPhone and smartwatch are well-charged to avoid interruptions during the pairing process.
  4. Enable Bluetooth: On your iPhone, go to "Settings" > "Bluetooth" and make sure Bluetooth is turned on.
  5. Turn on the Smartwatch: Power on your smartwatch. Most smartwatches will automatically enter pairing mode the first time they are turned on. If not, check the user manual on how to set it into pairing mode.
  6. Open the Smartwatch App: Launch the smartwatch app you downloaded.
  7. Follow On-screen Instructions: Within the app, select the option to pair a new device. Instructions will vary depending on the app, so follow the on-screen prompts carefully.
  8. Select Your Device: Your app should display a list of available devices. Select your smartwatch from the list.
  9. Enter Codes or Confirm Pairing: Some smartwatches require you to enter a code displayed on the watch into the app or confirm that the code on the watch matches the one on the iPhone app.
  10. Complete Setup: Follow any additional steps to complete the setup, such as syncing your accounts or setting preferences for notifications and health-tracking features.
  11. Test the Connection: Once the setup is complete, test the connection by checking if you receive notifications on your smartwatch and if data is syncing properly.
  12. Customize Settings: Explore the app settings to customize your smartwatch experience, like choosing which apps send notifications or what health metrics to track.


If you encounter issues during pairing, refer to the troubleshooting section of your smartwatch's user manual or visit the support page of the smartwatch manufacturer for additional help.

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