Fitbit Alta vs. Fitbit Charge 2 vs. Apple Watch Series 2 vs. Apple Watch vs. Casio G-Shock GBA800

 
Alta
Charge 2
Watch Series 2
Watch
G-Shock GBA800
 FitbitAltaRemove Buy NowFitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAppleWatchRemove Buy NowCasioG-Shock GBA800Remove Buy Now

Basic Info

Suggested Price$130$150$269$349$120
Release20162016201620152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days18 hours18 hours2 years
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a340 x 272 or 390 x 312340 x 272 or 390 x 312
Sizen/an/a1.5 inches or 1.65 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeOLEDOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/an/a5ATMIPX720 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/aWatch OSWatch OS
Apps
Music

All Wearables