Fitbit Alta vs. Apple Watch Series 2 vs. Casio G-Shock GBA800 vs. Polar A370 vs. Garmin Vivosmart 4

 
Alta
Watch Series 2
G-Shock GBA800
A370
Vivosmart 4
 FitbitAltaRemove Buy NowAppleWatch Series 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowPolarA370Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$269$120$179.95$130
Release20162016201820172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hours2 yearsUp to 3 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312160 x 8048 x 128
Sizen/a1.5 inches or 1.65 inches1.18 inches0.74 inches
Touchn/a
TypeOLEDAMOLEDTFT LCDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATM20 ATMWR305 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aWatch OS
Apps
Music

All Wearables