Polar M600 vs. Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Casio WSD-F20A

 
M600
Alta
Charge 2
Watch Series 2
WSD-F20A
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$330$130$150$269$399
Release20162016201620162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days18 hours1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a340 x 272 or 390 x 312320 x 320
Size1.3 inchesn/an/a1.5 inches or 1.65 inches1.32 inches
Touchn/an/an/a
TypeTFTOLEDOLEDAMOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/an/a5ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aWatch OSWear OS
Apps
Music

All Wearables