Motorola Moto 360 (2nd Gen) vs. Polar V800 vs. Fitbit Flex 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex

 
Moto 360 (2nd Gen)
V800
Flex 2
Grayson
Grayson
T-Rex
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarV800Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$300$470$100$350$350$140
Release201520142016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days13 hours to 30 days5 days24 hours24 hours20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 325 or 360 x 330n/an/a453 x 454453x454360 x 360
Size1.37 inches or 1.56 inchesn/an/a1.39 inches1.39 inches1.3 inches
Touchn/a
TypeLCDn/aLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid WearBuild-in
Apps
Musicn/a

All Wearables