Fitbit Charge 2 vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Fitbit Charge vs. Fitbit Flex

 
Charge 2
G-Shock GBA800
Alta HR
Charge
Flex
 FitbitCharge 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$120$150$130$100
Release20162018201720142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days2 years7 days7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 36NANA
Sizen/a1.4 inchesNANA
Touchn/aNANA
TypeOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a20 ATM1 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables