Pebble Time Round vs. Apple Watch Series 2 vs. Casio WSD-F20A vs. Polar Loop vs. Apple Watch Series 4

 
Time Round
Watch Series 2
WSD-F20A
Loop
Watch Series 4
 PebbleTime RoundRemove Buy NowAppleWatch Series 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$200$269$399$100$329
Release20152016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days18 hours1 day5 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NA384 x 480
Sizeround1.5 inches or 1.65 inches1.32 inchesNA1.78 inches
Touch
Typee-paperAMOLEDLCDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX75ATM5 ATM2 ATMNot Yet

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSWatch OSWear OSNAWatch OS 5
Apps
Music

All Wearables