Fitbit Flex 2 vs. Michael Kors Grayson vs. Jawbone UP2 vs. Jawbone UP3 vs. Polar A370 vs. Michael Kors Grayson

 
Flex 2
Grayson
UP2
UP3
A370
Grayson
 FitbitFlex 2Remove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP2Remove Buy NowJawboneUP3Remove Buy NowPolarA370Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$100$350$100$180$179.95$350
Release201620182015201320172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days24 hours7 days7 daysUp to 3 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NANA160 x 80453x454
Sizen/a1.39 inchesNANA1.18 inches1.39 inches
Touchn/aNANA
TypeLEDAMOLEDNANATFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATMSplash resistantNAWR301 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid Wear
Apps
MusicNA

All Wearables