Polar M600 vs. Casio WSD-F20A vs. Pebble Time 2 vs. Jaybird Reign

 
M600
WSD-F20A
Time 2
Reign
 PolarM600Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$330$399$199$150
Release2016201820162015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 320NANA
Size1.3 inches1.32 inchesNANA
Touchn/aNA
TypeTFTLCDe-paperLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM3 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearWear OSPebble OSNA
Apps
Music

All Wearables