Pebble Time Round vs. Casio WSD-F20A vs. Jaybird Reign vs. Polar Loop vs. Apple Watch Series 4

 
Time Round
WSD-F20A
Reign
Loop
Watch Series 4
 PebbleTime RoundRemove Buy NowCasioWSD-F20ARemove Buy NowJaybirdReignRemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$399$150$100$329
Release20152018201520132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day5 days5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NANA384 x 480
Sizeround1.32 inchesNANA1.78 inches
TouchNA
Typee-paperLCDLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75 ATMNA2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWear OSNANAWatch OS 5
Apps
Music

All Wearables