Polar Loop 2 vs. Basis Peak vs. Michael Kors Grayson vs. Fitbit Charge vs. Michael Kors Grayson vs. Garmin Vivosmart 4

 
Loop 2
Peak
Grayson
Charge
Grayson
Vivosmart 4
 PolarLoop 2Remove Buy NowBasisPeakRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$200$350$130$350$130
Release201520142018201420182018

Activity & Fitness

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

Battery

Duration8 days (without notifications)4 days24 hours7-10 days24 hours7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144453 x 454NA453x45448 x 128
Sizen/a1.25 inches1.39 inchesNA1.39 inches0.74 inches
TouchNA
TypeLEDLCDAMOLEDOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATM1 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAAndroid WearNAAndroid Wear
Apps
Music

All Wearables