Polar M400 vs. Fitbit Alta vs. Amazfit Pace vs. Asus ZenWatch vs. Michael Kors Access Sofie HR

 
M400
Alta
Pace
ZenWatch
Access Sofie HR
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowAmazfitPaceRemove Buy NowAsusZenWatchRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$200$130$130$150$395
Release20142016201720142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 daysNA2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 300320 x 320390 x 390
Sizen/an/a1.34 inches1.63 inches1.19 inches
Touchn/a
Typen/aOLEDTFT LCDAMOLEDOMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIP67IP550.3 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aProprietaryAndroid WearWear OS
Apps
Music

All Wearables