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

 
One
Loop 2
G-Shock GBA800
Charge
Flex
 FitbitOneRemove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$120$120$130$100
Release20122015201820142013

Activity & Fitness

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

Battery

Duration10-14 days8 days (without notifications)2 years7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNANA
Sizen/an/aNANA
TouchNANA
TypeOLEDLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant2 ATM20 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables