Fitbit Flex 2 vs. Fitbit One vs. Casio G-Shock GBA800 vs. Fitbit Charge 3 vs. Apple Series 6

 
Flex 2
One
G-Shock GBA800
Charge 3
Series 6
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitCharge 3Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$100$100$120$150$399
Release20162012201820182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days2 years7 daysNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a66 x 18384 x 480
Sizen/an/a.721 inches40mm
Touchn/a
TypeLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water Resistance5 ATMSplast Resistant20 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNAWatchOS 5
Apps
Music

All Wearables