Polar Loop 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Jawbone UP4 vs. Michael Kors Access Runway vs. Michael Kors Grayson

 
Loop 2
Ionic
Grayson
UP4
Access Runway
Grayson
 PolarLoop 2Remove Buy NowFitbitIonicRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP4Remove Buy NowMichael KorsAccess RunwayRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$299$350$200$350$350
Release201520172018201520182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)4+ days24 hoursNA1 day24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a348x250453 x 454NA390 x 390453x454
Sizen/a1.421.39 inchesNA1.19 inches1.39 inches
TouchNA
TypeLEDOLEDAMOLEDNAAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM50m1 ATMNA3 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aFitbit OSAndroid WearNAWear OSAndroid Wear
Apps
MusicNA

All Wearables