Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Fitbit Alta HR vs. Apple Watch Series 4

 
Alta
ZenWatch 3
Ionic
Alta HR
Watch Series 4
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$130$229$299$150$329
Release20162017201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days7 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250128 x 36384 x 480
Sizen/a1.39 inches1.421.4 inches1.78 inches
Touchn/a
TypeOLEDAMOLEDOLEDOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50mNot Yet

Notifications

Phone
Emailsn/a
Texts

Software

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

All Wearables