Polar M400 vs. Basis Peak vs. Casio WSD-F20A vs. Fitbit Alta HR vs. Michael Kors Access Runway

 
M400
Peak
WSD-F20A
Alta HR
Access Runway
 PolarM400Remove Buy NowBasisPeakRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitAlta HRRemove Buy NowMichael KorsAccess RunwayRemove Buy Now

Basic Info

Suggested Price$200$200$399$150$350
Release20142014201820172018

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days1 day7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a168 x 144320 x 320128 x 36390 x 390
Sizen/a1.25 inches1.32 inches1.4 inches1.19 inches
Touch
Typen/aLCDLCDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNAWear OSWear OS
Apps
Music

All Wearables