Fitbit Zip vs. Amazfit Stratos vs. Michael Kors Grayson vs. Polar Loop vs. Garmin Forerunner 45 vs. Michael Kors Grayson

 
Zip
Stratos
Grayson
Loop
Forerunner 45
Grayson
 FitbitZipRemove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$60$199$350$100$199$350
Release201220182018201320192018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration6 months5 days24 hours5 days7 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 300453 x 454NA208 x 208453x454
Sizen/a1.34 inches1.39 inchesNA1.04 inches1.39 inches
Touch
Typen/aOLEDAMOLEDLEDLCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplash Resistant5 ATM1 ATM2 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aProprietaryAndroid WearNABuilt-inAndroid Wear
Apps
Music

All Wearables