Fitbit One vs. Fitbit Zip vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
One
Zip
Grayson
Access Sofie HR
Grayson
Vivosmart 4
 FitbitOneRemove Buy NowFitbitZipRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$60$350$395$350$130
Release201220122018201920182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days6 months24 hours2 days24 hours7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454390 x 390453x45448 x 128
Sizen/an/a1.39 inches1.19 inches1.39 inches0.74 inches
Touch
TypeOLEDn/aAMOLEDOMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantSplash Resistant1 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables