Polar Loop 2 vs. Casio WSD-F20A vs. Samsung Gear 2 vs. Fitbit Charge vs. Polar Loop

 
Loop 2
WSD-F20A
Gear 2
Charge
Loop
 PolarLoop 2Remove Buy NowCasioWSD-F20ARemove Buy NowSamsungGear 2Remove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$120$399$300$130$100
Release20152018201420142013

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day2-3 days7-10 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 AMOLEDOLEDLED

Functions

Audio SpeakerBluetooth
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 OSTizen OSNANA
Apps
Music

All Wearables