Polar M400 vs. Amazfit Bip vs. LG Watch Urbane 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
M400
Bip
Watch Urbane 2
Grayson
Flex
Grayson
 PolarM400Remove Buy NowAmazfitBipRemove Buy NowLGWatch Urbane 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$99.99$300$350$100$350
Release201420182015201820132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days30 daysNA24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a176 x 176480 x 480453 x 454NA453x454
Sizen/a1.28 inches1.38 inches1.39 inchesNA1.39 inches
TouchNA
Typen/aNAP-OLEDAMOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68NA1 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNAAndroid Wear
Apps
Music

All Wearables