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Amazon Best Sellers Our most popular products based on sales. Updated hourly.

Best Sellers in Activity & Fitness Trackers

  1. #1
    Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size…
    4.5 out of 5 stars 29,993
    $118.95 - $243.00
  2. #2
    LETSCOM Fitness Tracker HR, Activity Tracker Watch with Heart Rate Monitor, Waterproof Smart Fitness Band with Step…
    4.1 out of 5 stars 17,971
    $20.39 - $26.11
  3. #3
    Fitbit Inspire 2 Health & Fitness Tracker with a Free 1-Year Fitbit Premium Trial, 24/7 Heart Rate, Black/Black, One…
    4.6 out of 5 stars 7,218
    $77.91 - $120.00
  4. #4
    Lintelek Fitness Tracker with Heart Rate Monitor, Activity Tracker with Connected GPS, IP67 Waterproof Smart Fitness…
    4.1 out of 5 stars 17,081
    $25.98 - $28.99
  5. #5
    LETSCOM Smart Watch Fitness Tracker Heart Rate Monitor Step Calorie Counter Sleep Monitor Music Control IP68 Water…
    4.3 out of 5 stars 14,147
    $30.59 - $36.99
  6. #6
    YAMAY Smart Watch Fitness Tracker Watches for Men Women, Fitness Watch Heart Rate Monitor IP68 Waterproof Digital Watch…
    4.3 out of 5 stars 13,388
    $35.99 - $36.99
  7. #7
    Introducing Amazon Halo – Measure activity, sleep, body composition, and tone of voice - Black + Onyx - Small
    3.8 out of 5 stars 7,559
    $99.99
  8. #8
    Lintelek Fitness Tracker - Activity Tracker with Heart Rate Monitor, Smart Fitness Watch with Sleep Monitor, Step…
    4.1 out of 5 stars 6,333
    $25.98 - $28.99
  9. #9
    Garmin Instinct Solar Tactical, Solar-Powered Rugged Outdoor Smartwatch with Tactical Features, Built-in Sports Apps and…
    4.7 out of 5 stars 14,940
    $194.00 - $452.95
  10. #10
    BIGGERFIVE Fitness Tracker Watch for Kids Girls Boys Teens, Activity Tracker, Pedometer, Calorie Counter, Sleep Monitor…
    4.3 out of 5 stars 4,205
    $23.99 - $25.90
  11. #11
    BIGGERFIVE Fitness Tracker Watch for Kids Girls Boys Teens, Activity Tracker, Pedometer, Heart Rate Sleep Monitor, IP68…
    4.3 out of 5 stars 3,745
    $27.99 - $29.90
  12. #12
    Lintelek Fitness Tracker Heart Rate Monitor, Activity Tracker, Pedometer Watch with Connected GPS, Waterproof Calorie…
    4.1 out of 5 stars 7,122
    $24.99 - $38.74
  13. #13
    YAMAY Smart Watch Compatible iPhone and Android Phones Swimming Waterproof, Watches for Men Women Round Smartwatch…
    4.5 out of 5 stars 2,160
    $45.99 - $46.99
  14. #14
    Fitbit Ace 2 Activity Tracker for Kids, 1 Count
    4.7 out of 5 stars 9,548
    $66.50 - $118.40
  15. #15
    Garmin vivofit jr. 2, Kids Fitness/Activity Tracker, 1-Year Battery Life, Adjustable Band, Disney Frozen 2, Anna, Purple
    4.7 out of 5 stars 411
    $24.95 - $99.99
  16. #16
    Amazfit T-Rex Smartwatch, Military Standard Certified, Tough Body, GPS, 20-Day Battery Life, 1.3'' AMOLED Display, Water…
    4.5 out of 5 stars 225
    $34.99 - $211.99
  17. #17
    MorePro Heart Rate Monitor Blood Pressure Fitness Activity Tracker with Low O2 Reminder, IP68 Waterproof Smart Watch…
    3.7 out of 5 stars 2,529
    $34.82 - $45.97
  18. #18
    Wellue Fingertip Blood Oxygen Saturation Monitor with Alarm, Batteries, Carry Bag & Lanyard for Wellness Use
    4.5 out of 5 stars 990
    $49.99
  19. #19
    Fitbit Inspire HR Heart Rate and Fitness Tracker, One Size (S and L Bands Included), 1 Count
    4.4 out of 5 stars 43,166
    $76.00 - $136.41
  20. #20
    Xiaomi Mi Band 5 Smart Wristband 1.1 inch Color Screen Miband with Magnetic Charging 11 Sports Modes Remote Camera…
    4.6 out of 5 stars 21,738
    $44.95
  21. #21
    Fitbit Charge 3 Fitness Activity Tracker
    4.4 out of 5 stars 42,871
    $129.95 - $199.99
  22. #22
    Garmin vivosmart 4, Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black, Large Band
    4.3 out of 5 stars 3,013
    $111.00 - $129.99
  23. #23
    HalfSun Fitness Tracker, Activity Tracker Fitness Watch with Heart Rate Monitor, Blood Pressure Monitor, IP67 Waterproof…
    3.9 out of 5 stars 4,867
    $33.99
  24. #24
    Garmin vivosmart 4, Activity and Fitness Tracker w/ Pulse Ox and Heart Rate Monitor, Black
    4.2 out of 5 stars 1,456
    $89.78
  25. #25
    Willful Fitness Tracker No Bluetooth Simple No App No Phone Required Waterproof Fitness Watch Pedometer Watch with Step…
    4.1 out of 5 stars 15
    $19.99 - $20.99
  26. #26
    UMIDIGI Smart Watch, Uwatch 2S Fitness Tracker with Personalized Watch Faces, Activity Tracker with 1.3" Touch Screen…
    4.3 out of 5 stars 410
    $33.99
  27. #27
    LETSCOM Smart Watch, GPS Running Watch Fitness Trackers with Heart Rate Monitor Step Counter Sleep Monitor, IP68…
    4.3 out of 5 stars 241
    $36.54 - $45.99
  28. #28
    Fitpolo Fitness Tracker with Heart Rate Monitor, Smart Watch 1.3 inches Color Touchscreen IP68 Waterproof Step Calorie…
    4.3 out of 5 stars 1,975
    $35.99
  29. #29
    ZURURU Fitness Tracker with Blood Pressure Heart Rate Sleep Health Monitor for Men and Women, IP68 Waterproof 11 Sport…
    4.2 out of 5 stars 402
    $34.98 - $35.98
  30. #30
    Lintelek Smart Watch with 1.3" LCD Full Touch Screen, Large Screen Fitness Tracker with Heart Rate Monitor, Pedometer…
    4.3 out of 5 stars 3,762
    $35.99 - $36.99
  31. #31
    Fitpolo Fitness Tracker, Smart Watch Step Trackers with Heart Rate Monitor, IP68 Waterproof 1.3 Inch Color Touch Screen…
    4.3 out of 5 stars 1,773
    $35.99
  32. #32
    Wellue O2Ring Wearable Sleep Monitor - Bluetooth Health Tracker with Free APP & PC Report
    4.4 out of 5 stars 350
    $179.99
  33. #33
    EZCO Bands Compatible with Fitbit Inspire HR & Inspire & Inspire 2, Woven Fabric Breathable Watch Strap Quick Release…
    4.3 out of 5 stars 1,533
    $7.99 - $8.97
  34. #34
    LETSCOM Replacement Bands for Fitness Tracker ID115PlusHR
    4.5 out of 5 stars 3,132
    $9.99 - $19.99
  35. #35
    Blackview Smart Watch for Android Phones and iOS Phones, All-Day Activity Tracker with Heart Rate Sleep Monitor, 1.3…
    4.2 out of 5 stars 5,883
    $29.99 - $69.99
  36. #36
    UMIDIGI Smart Watch, Uwatch 3S Fitness Tracker with Blood Oxygen Monitor and Heart Rate Monitor for Women Men. 5ATM…
    4.4 out of 5 stars 37
    $36.99
  37. #37
    Inspiratek Kids Fitness Tracker for Girls and Boys Age 5-16 (4 Color)- Waterproof Fitness Watch for Kids with Heart Rate…
    4.2 out of 5 stars 639
    $27.95
  38. #38
    ONIOU Kids Fitness Tracker Watch, IP67 Waterproof Activity Tracker with Sleep Monitor, Alarm Clock, Sedentary Reminder…
    4.5 out of 5 stars 174
    $23.99
  39. #39
    BIGGERFIVE Fitness Tracker Watch for Kids Girls Boys Teens, Activity Tracker, Pedometer, Calorie Sleep Monitor, Silent…
    4.4 out of 5 stars 2,132
    $21.99 - $25.09
  40. #40
    GOGUM Fitness Tracker, Heart Rate Monitor IP68 Waterproof Activity Tracker HRV Health Watch SPO2 Blood Oxygen Blood…
    3.9 out of 5 stars 764
    $43.77
  41. #41
    WAFA Fitness Tracker with Heart Rate Blood Pressure Monitor, Waterproof Fitness Watch, Bluetooth Smart Watch with Sleep…
    3.9 out of 5 stars 1,851
    $30.99 - $31.99
  42. #42
    Willful Fitness Tracker IP68 Swimming Waterproof, Heart Rate Monitor Fitness Watch Sport Digital Watch with Color Screen…
    4.1 out of 5 stars 4,599
    $26.99 - $33.99
  43. #43
    Fitbit Ace 2 Activity Tracker for Kids, Grape
    4.6 out of 5 stars 1,462
    $69.95
  44. #44
    LETSCOM Smart Watch, Fitness Trackers with Heart Rate Monitor Step Calorie Counter Sleep Monitor, IP68 Waterproof…
    4.1 out of 5 stars 2,562
    $23.99 - $33.99
  45. #45
    Mgaolo Fitness Tracker with Blood Pressure Heart Rate Sleep Monitor,10 Sport Modes IP68 Waterproof Activity Tracker Fit…
    3.9 out of 5 stars 4,080
    $36.88 - $37.99
  46. #46
    Wyze Band Activity Tracker with Alexa Built-in, Smart Watch Fitness Tracker, Heart Rate Monitor, Step Counter Sleep…
    4.2 out of 5 stars 4,910
    $29.98
  47. #47
    Fitbit Alta HR
    4.4 out of 5 stars 15,034
    $157.90 - $399.99
  48. #48
    Waterproof Health Tracker,MorePro Fitness Tracker Color Screen Sport Smart Watch,Activity Tracker with Heart Rate Blood…
    3.8 out of 5 stars 1,367
    $37.99
  49. #49
    ZURURU Veryfitpro ID115Plus HR Replacement Bands for Veryfit Pro ID115Plus HR Fitness Tracker Smart Watch
    4.5 out of 5 stars 1,480
    $7.99 - $12.99
  50. #50
    Wellue Fingertip Blood Oxygen Saturation Monitor with Batteries and Lanyard for Wellness Use FS20C
    4.7 out of 5 stars 818
    $18.95