Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio G-Shock GBA800 vs. Apple Watch Series 4

 
Alta
ZenWatch 3
Ionic
G-Shock GBA800
Watch Series 4
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioG-Shock GBA800Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$229$299$120$329
Release20162017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days2 yearsNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250384 x 480
Sizen/a1.39 inches1.421.78 inches
Touchn/a
TypeOLEDAMOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m20 ATMNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWatch OS 5
Apps
Music

All Wearables