Pebble Time Round vs. Polar M400 vs. Casio WSD-F20A vs. Michael Kors Access Runway vs. Garmin Vivosmart 4

 
Time Round
M400
WSD-F20A
Access Runway
Vivosmart 4
 PebbleTime RoundRemove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsAccess RunwayRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$200$200$399$350$130
Release20152014201820182018

Activity & Fitness

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

Battery

Duration2 days8 hours to 30 days1 day1 day7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a320 x 320390 x 39048 x 128
Sizeroundn/a1.32 inches1.19 inches0.74 inches
Touch
Typee-papern/aLCDAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX73 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSWear OS
Apps
Music

All Wearables