Polar M600 vs. Casio WSD-F20A vs. Fitbit Charge vs. Jaybird Reign vs. Polar Loop

 
M600
WSD-F20A
Charge
Reign
Loop
 PolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$399$130$150$100
Release20162018201420152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320NANANA
Size1.3 inches1.32 inchesNANANA
Touchn/aNANA
TypeTFTLCDOLEDLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM1 ATMNA2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSNANANA
Apps
Music

All Wearables