Polar M600 vs. Fitbit Flex 2 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Mobvoi TicWatch S vs. Michael Kors Grayson

 
M600
Flex 2
Stratos
Grayson
TicWatch S
Grayson
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowAmazfitStratosRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch SRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$100$199$350$199$350
Release201620162018201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days24 hours1.5-2 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a320 x 300453 x 454400 x 400453x454
Size1.3 inchesn/a1.34 inches1.39 inches1.4 inches1.39 inches
Touchn/an/a
TypeTFTLEDOLEDAMOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aProprietaryAndroid WearAndroid Wear 2.0Android Wear
Apps
Music

All Wearables