Pebble Time vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Apple Watch Series 4 vs. Michael Kors Access Sofie HR

 
Time
Flex 2
WSD-F20A
Watch Series 4
Access Sofie HR
 PebbleTimeRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch Series 4Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$150$100$399$329$395
Release20152016201820182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days1 dayNot Yet2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a320 x 320384 x 480390 x 390
Size1.26 inchesn/a1.32 inches1.78 inches1.19 inches
Touchn/a
Typee-paperLEDLCDMicroLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATMNot Yet0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSWatch OS 5Wear OS
Apps
Music

All Wearables