Pebble Classic vs. Fitbit Flex 2 vs. Casio WSD-F20A vs. Polar Loop vs. Michael Kors Access Sofie HR

 
Classic
Flex 2
WSD-F20A
Loop
Access Sofie HR
 PebbleClassicRemove Buy NowFitbitFlex 2Remove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$99$100$399$100$395
Release20132016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5-7 days5 days1 day5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/a320 x 320NA390 x 390
Size1.26 inchesn/a1.32 inchesNA1.19 inches
Touchn/a
Typee-paperLEDLCDLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM2 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aWear OSNAWear OS
Apps
Music

All Wearables