Pebble Classic vs. Polar M400 vs. Polar M600 vs. Fitbit Alta vs. Casio WSD-F20A

 
Classic
M400
M600
Alta
WSD-F20A
 PebbleClassicRemove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitAltaRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$99$200$330$130$399
Release20132014201620162018

Activity & Fitness

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

Battery

Duration5-7 days8 hours to 30 days2 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution168 x 144n/a240 x 240n/a320 x 320
Size1.26 inchesn/a1.3 inchesn/a1.32 inches
Touchn/an/a
Typee-papern/aTFTOLEDLCD

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX8n/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSn/aAndroid Wearn/aWear OS
Apps
Music

All Wearables