Pebble Time Round vs. Polar M600 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Casio WSD-F20A

 
Time Round
M600
Alta
Charge 2
WSD-F20A
 PebbleTime RoundRemove Buy NowPolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$200$330$130$150$399
Release20152016201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days2 days5 days5 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240n/an/a320 x 320
Sizeround1.3 inchesn/an/a1.32 inches
Touchn/an/an/a
Typee-paperTFTOLEDOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IPX8n/an/a5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemPebble OSAndroid Wearn/an/aWear OS
Apps
Music

All Wearables