Polar M600 vs. Michael Kors Access Sofie vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Mobvoi TicWatch S2

 
M600
Access Sofie
Alta HR
Vivofit 4
TicWatch S2
 PolarM600Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowMobvoiTicWatch S2Remove Buy Now

Basic Info

Suggested Price$330$395$150$79.95$180
Release20162017201720182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day7 days1 year2 DAYS
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240390 x 390 1.19 inches128 x 3688 x 88400 x 400
Size1.3 inches1.4 inchesNA1.39 inches
Touchn/aAMOLDED
TypeTFTOLEDNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX81 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid Wear 2.0Wear OS
Apps
Music

All Wearables