Casio WSD-F20A vs. Pebble Time 2 vs. Garmin Vivofit 4 vs. Jaybird Reign vs. Polar Loop

 
WSD-F20A
Time 2
Vivofit 4
Reign
Loop
 CasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowGarminVivofit 4Remove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$399$199$79.95$150$100
Release20182016201820152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1 day10 days1 year5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320NA88 x 88NANA
Size1.32 inchesNANANANA
TouchNA
TypeLCDe-paperNALEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMNA2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSPebble OSNANA
Apps
Music

All Wearables