Polar M400 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Michael Kors Access Runway vs. Michael Kors Grayson vs. Mobvoi TicWatch e2

 
M400
Loop 2
Grayson
Access Runway
Grayson
TicWatch e2
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess RunwayRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$120$350$350$350$200
Release201420152018201820182019

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)24 hours1 day24 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454390 x 390453x454360 x 360
Sizen/an/a1.39 inches1.19 inches1.39 inches1.2 inches
Touch
Typen/aLEDAMOLEDAMOLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM1 ATM3 ATM1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearWear OSAndroid WearWear OS
Apps
Music

All Wearables