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

 
Watch Series 3
One
G-Shock GBA800
Charge
Flex
 AppleWatch Series 3Remove Buy NowFitbitOneRemove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$329$100$120$130$100
Release20172012201820142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10-14 days2 years7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312n/aNANA
Size1.5 inches or 1.65 inchesn/aNANA
TouchNANA
TypeAMOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast Resistant20 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4n/aNANA
Apps
Music

All Wearables