Withings Steel HR vs. Fitbit Flex 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Xiaomi Mi Band 4

 
Steel HR
Flex 2
Ionic
Grayson
Grayson
Mi Band 4
 WithingsSteel HRRemove Buy NowFitbitFlex 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowXiaomiMi Band 4Remove Buy Now

Basic Info

Suggested Price$180$100$299$350$350$25
Release201620162017201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration25 days5 days4+ days24 hours24 hours20 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a348x250453 x 454453x454120x240
Sizen/an/a1.421.39 inches1.39 inches0.95 inches
Touchn/a
Typen/aLEDOLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM50m1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aFitbit OSAndroid WearAndroid WearAMAZFIT OS
Apps
Music

All Wearables