Polar Loop 2 vs. Casio WSD-F20A vs. Samsung Live vs. Fitbit Flex vs. Polar Loop

 
Loop 2
WSD-F20A
Live
Flex
Loop
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungLiveRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$120$399$200$100$100
Release20152018201420132013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)1 day1 Day5 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 320NANA
Sizen/a1.32 inches1.63 inchesNANA
TouchNA
TypeLEDLCDSuper AMOLEDLEDLED

Functions

Audio Speaker
Clock
Phone
VibrationNA
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM5 ATMIP671 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNANA
Apps
Music

All Wearables