Polar M600 vs. Fitbit Alta vs. Amazfit Stratos vs. Casio WSD-F20A vs. Jaybird Reign

 
M600
Alta
Stratos
WSD-F20A
Reign
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$330$130$199$399$150
Release20162016201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a320 x 300320 x 320NA
Size1.3 inchesn/a1.34 inches1.32 inchesNA
Touchn/an/aNA
TypeTFTOLEDOLEDLCDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM5 ATMNA

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/aProprietaryWear OSNA
Apps
Music

All Wearables