Polar M400 vs. Fitbit Zip vs. Garmin Vivofit 3 vs. Motorola Moto 360 (1st Gen) vs. Michael Kors Access Sofie HR

 
M400
Zip
Vivofit 3
Moto 360 (1st Gen)
Access Sofie HR
 PolarM400Remove Buy NowFitbitZipRemove Buy NowGarminVivofit 3Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$60$100$150$395
Release20142012201620142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1 year1 day2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a64 x 64320 x 260390 x 390
Sizen/an/a0.55 inches1.56 inches1.19 inches
Touch
Typen/an/an/aLCDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplash Resistant5 ATMIP670.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid WearWear OS
Apps
MusicNA

All Wearables