Fitbit Flex 2 vs. Casio G-Shock GBA800 vs. Casio WSD-F20A vs. Fitbit Charge vs. Polar Loop

 
Flex 2
G-Shock GBA800
WSD-F20A
Charge
Loop
 FitbitFlex 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$120$399$130$100
Release20162018201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years1 day7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANA
Sizen/a1.32 inchesNANA
Touchn/aNA
TypeLEDLCDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM20 ATM5 ATM1 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNANA
Apps
Music

All Wearables