Garmin Vivomove vs. Fitbit Ionic vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Vivomove
Ionic
Grayson
Flex
Grayson
T-Rex
 GarminVivomoveRemove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$250$299$350$100$350$140
Release201620172018201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 year4+ days24 hours5 days24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a348x250453 x 454NA453x454360 x 360
Sizen/a1.421.39 inchesNA1.39 inches1.3 inches
Touchn/aNA
Typen/aOLEDAMOLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aFitbit OSAndroid WearNAAndroid WearBuild-in
Apps
Music

All Wearables