Polar Loop 2 vs. Casio WSD-F20A vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Polar Loop

 
Loop 2
WSD-F20A
Moto 360 (1st Gen)
Flex
Loop
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$120$399$150$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 260NANA
Sizen/a1.32 inches1.56 inchesNANA
TouchNA
TypeLEDLCDLCDLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
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
MusicNA

All Wearables