Polar M600 vs. Garmin Vivofit 3 vs. Michael Kors Grayson vs. Polar Loop vs. Michael Kors Grayson vs. HTC re Grip

 
M600
Vivofit 3
Grayson
Loop
Grayson
re Grip
 PolarM600Remove Buy NowGarminVivofit 3Remove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$100$350$100$350$199
Release201620162018201320182020

Activity & Fitness

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

Battery

Duration2 days1 year24 hours5 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 24064 x 64453 x 454NA453x454160 x 32
Size1.3 inches0.55 inches1.39 inchesNA1.39 inches1.8 inches
Touchn/a
TypeTFTn/aAMOLEDLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATM2 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearNAAndroid WearNA
Apps
Music

All Wearables