Fitbit Flex 2 vs. Fossil Explorist vs. Michael Kors Grayson vs. Polar A370 vs. Polar Loop vs. Michael Kors Grayson

 
Flex 2
Explorist
Grayson
A370
Loop
Grayson
 FitbitFlex 2Remove Buy NowFossilExploristRemove Buy NowMichael KorsGraysonRemove Buy NowPolarA370Remove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$255$350$179.95$100$350
Release201620182018201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours24 hoursUp to 3 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a454 x454453 x 454160 x 80NA453x454
Sizen/a1.4 inches1.39 inches1.18 inchesNA1.39 inches
Touchn/a
TypeLEDAMOLEDAMOLEDTFT LCDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATMWR302 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables