Pebble Steel vs. Pebble Time vs. Pebble Time Steel vs. Polar M400 vs. Casio WSD-F20A

 
Steel
Time
Time Steel
M400
WSD-F20A
 PebbleSteelRemove Buy NowPebbleTimeRemove Buy NowPebbleTime SteelRemove Buy NowPolarM400Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$150$150$250$200$399
Release20142015201520142018

Activity & Fitness

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

Battery

Duration5-7 days7 days10 days8 hours to 30 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144168 x 144168 x 144n/a320 x 320
Size1.26 inches1.26 inches1.26 inchesn/a1.32 inches
Touch
Typee-papere-papere-papern/aLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSPebble OSPebble OSn/aWear OS
Apps
Music

All Wearables