Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Fitbit Charge 3 vs. Fitbit Flex vs. Apple Watch 7

 
G-Shock GBA800
Alta HR
Charge 3
Flex
Watch 7
 CasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$120$150$150$100$429
Release20182017201820132021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 years7 days7 days5 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution128 x 3666 x 18NA396 x 484
Size1.4 inches.721 inchesNA1.9 inches
TouchNA
TypeOLEDOLEDLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance20 ATM5 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating SystemNANAWatchOS 8
Apps
Music

All Wearables