Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Jaybird Reign vs. Michael Kors Grayson vs. Mobvoi TicWatch e2

 
Loop 2
Grayson
Flex
Reign
Grayson
TicWatch e2
 PolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$120$350$100$150$350$200
Release201520182013201520182019

Activity & Fitness

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

Battery

Duration8 days (without notifications)24 hours5 days5 days24 hours1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a453 x 454NANA453x454360 x 360
Sizen/a1.39 inchesNANA1.39 inches1.2 inches
TouchNANA
TypeLEDAMOLEDLEDLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATMNA1 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANAAndroid WearWear OS
Apps
Music

All Wearables