Best Activity Tracker Buying Guide

Last Updated on September 12, 2021

What does an activity tracker do?

Activity trackers come in many styles and can improve your overall wellness by tracking your exercise activity, fitness levels, sleep, and calorie consumption. By understanding these trends, users can monitor and adjust behaviors that influence overall health and well-being.


How does it work?

Most activity trackers monitor every detail of your day with sophisticated motion sensors. Activity trackers can automatically sync your information to PCs, Macs, and select Bluetooth Smart Ready devices. Depending on the model, sensors will detect walking, twitches during sleep, and even heart rate. Data from these events is transmitted to a smartphone or computer via a Bluetooth or Wi-Fi connection. Whether you’re interested in your sleep quality or the number of calories burned canoeing, data from these events is literally at your fingertips with the tracker’s companion smartphone app.


How is an activity tracker different from a smart watch?

Although, in some instances, both devices can tell time, activity trackers are primarily dedicated to monitoring biometric data and physical activity. Smart watches leap beyond fitness, enabling users to check email, answer calls, and much more. Besides differences in function, activity trackers come in different forms; some of which include bands, necklaces, and inserts.


What about compatibility?

Customers should consider two factors before making a purchase: operating system (OS) and Bluetooth version. Typically, activity trackers are designed to work with a specific OS, such as Android or Apple iOS. Selecting a tracker compatible with both operating systems is wise if you’re undecided about your future smartphone. Additionally, certain trackers are only compatible with a particular version of Bluetooth. You can learn more about compatibility in the “Product Features and Technical Details” section of each product page.

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Best Selling Activity Trackers on Amazon

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Eurans Fitness Tracker with Heart Rate, Sleep Monitor...
  • 14 Sports Mode Tracking: Automatically tracks your real-time heart rate, sleep quality, 14 kinds of sports like running, workout, hiking, and etc., and a map of your workout route. EURANS fitness tracker also reminders you to move after a long time of inactivity.
  • 24hs Activity Tracking: Tracks your everyday achievements such as your steps, calories burned, distance covered, helping you stay motivated and maintain a healthy lifestyle.
  • Call & Message Notification: Connect the tracker to the "VeryFitPro" app on your phone via Bluetooth, then the tracker will vibrate and display relevant information when calls and messages come in. It helps you to free your hands.
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Amazfit Band 5 Activity Fitness Tracker with Alexa...
  • AMAZON ALEXA BUILT-IN: Talk to Amazon Alexa on your Amazfit Band 5 activity fitness tracker. Ask Alexa questions, get translations, set alarms and timers, check the weather, control your smart home devices, and more.
  • 15-DAY BATTERY LIFE: Say goodbye to daily recharge. With a fully charged Amazfit Band 5, you don’t need to bring a charger for a two-week trip. On a single charge, it has enough power to get you charged for 2 whole weeks mind-free.
  • BLOOD OXYGEN SATURATION MONITOR: You can measure your blood oxygen saturation and understand your physical state with OxygenBeatsTM. Ideal for high-intensity workouts and sports such as marathons and gym workouts.
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Fitbit Charge 5 Advanced Fitness & Health Tracker with...
  • Optimize your workout routine with a Daily Readiness Score that reveals if you’re ready to exercise or should focus on recovery (Requires Fitbit Premium membership)
  • Get a daily Stress Management Score showing your body’s response to stress and take steps to improve your levels with an on-wrist EDA sensor mindfulness session
  • With the Health Metrics dashboard, track SpO2, heart rate variability, skin temperature variation and more (Not intended to diagnose or treat any medical condition and should not be relied on for any medical purposes. It is intended to provide information that can help you manage your well-being)
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Fitbit Charge 4 Fitness and Activity Tracker with...
  • Use built-in GPS to see your pace and distance on screen during outdoor runs, rides, hikes and more and see a workout intensity map in the app that shows your heart rate changes along your route
  • With Active Zone Minutes, feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise.Operating temperature: -20° to 60° C
  • Use 24x7 heart rate to track resting heart rate & better measure calorie burn. Syncing to mobile devices requires Bluetooth LE and internet connection. Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later
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Fitbit Inspire 2 Health & Fitness Tracker with a Free...
  • Earn Active Zone Minutes as you progress toward your weekly 150 minutes of heart-pumping activity and use 20 plus exercise modes to track goals like distance, calories burned and more.Operating temperature: 14° to 113°F
  • Track all-day activity: your steps, distance, hourly activity and calories burned.Maximum operating altitude: 28,000 ft
  • Use 24x7 heart rate to track resting heart rate & better measure calorie burn
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Fitbit Luxe Fitness and Wellness Tracker with Stress...
  • See how jewelry gets smart with a tracker that doubles as a timeless accessory and features a vibrant color display
  • Get better sleep to power your days with sleep tracking and sleep Score in the Fitbit app
  • Feel a Buzz when you reach your target heart rate zones, while you earn active zone minutes
Garmin vívosmart® 5, Fitness Tracker, Long-Lasting...
  • Easy-to-use, comfortable smart fitness tracker, once setup through the Garmin Connect app, has a touchscreen and button interface plus a brighter, bigger display than vívosmart 4 for larger text
  • Get an uninterrupted picture of your health with up to 7 days of battery life in smartwatch mode; safe for swimming and showering, too
  • Understand your body by monitoring your respiration, Pulse Ox (Pulse Ox not available in all countries; it is not a medical device), Body Battery energy levels, women’s health, hydration, stress and heart rate (This device is intended to give an estimate of your activity and metrics) with low and high heart rate alerts once set up through the Garmin Connect app
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ZURURU Fitness Tracker with Blood Pressure Heart Rate...
  • Heart Rate & Sleep Monitoring: ZURURU fitness tracker monitors your heart rate all day. It tracks your sleep (awake sleep, deep sleep, awake time) at night.
  • All-day Activity Tracking: The fitness tracker can track your daily steps, calorie consumed, workout distance and time. You can see detailed data on Hband APP.
  • Call and Message Notification: You can get call,SMS messages and SNS notifications directly on your wrist (including Facebook, Twitter, WhatsApp and Instagram).
Amazon Halo Band – Measure how you move, sleep, and...
  • Halo Band includes access to basic features like steps, heart rate, sleep time, and sleep tracking. Halo Band is swimproof; water resistant to 50M.
  • Membership includes access to full suite of tools, features, workouts, and programs. Free for 6 months. Auto-renews at $3.99/month + tax. To manage your membership, visit Your Account › Memberships & Subscriptions.
  • Get moving — Intensity-based activity tracking, plus an ever-growing library of workouts from experts like Lifesum and SWEAT. Tools to measure, understand and improve your movement health!
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Fitness Tracker and Sleep Tracking,Activity Tracker,...
  • 24/7 HR Monitor: Health Tracker will track your HR in real-time. When there is a message or incoming call, the watch will vibrate to remind you, so that you can receive important messages at any time, raise your wrist to brighten the screen, and you can quickly see the message and time even when exercising.
  • All-day Activity Tracking: Track your daily activities 24 hours a day, help you adjust your training plan, and achieve better training results. The sports mode records your steps, calorie and exercise distance. You can get more detailed data in the APP. You can also get a map of your exercise route by connecting to your phone's GPS.
  • Auto Sleep Tracker: At night, it will analyze your sleep, record your deep sleep, light sleep, sleep time, help you improve and improve sleep quality and develop a good biological clock, get enough sleep time to form healthy living habits.


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Last update on 2022-05-10 / Affiliate links / Images from Amazon Product Advertising API