Fitbit Alta vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Fitbit Charge vs. Apple Watch 7

 
Alta
Watch Series 2
G-Shock GBA800
Charge
Watch 7
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitChargeRemove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$130$269$120$130$429
Release20162016201820142021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours2 years7-10 days18 Hours
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312NA396 x 484
Sizen/a1.5 inches or 1.65 inchesNA1.9 inches
Touchn/aNA
TypeOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM20 ATM1 ATMwater resistant but not waterproof

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OSNAWatchOS 8
Apps
Music

All Wearables