ASUS ZenWatch 3 vs. Fitbit Ionic vs. Samsung Gear 2 vs. Fitbit Alta HR vs. Polar A370

 
ZenWatch 3
Ionic
Gear 2
Alta HR
A370
 ASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowSamsungGear 2Remove Buy NowFitbitAlta HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$229$299$300$150$179.95
Release20172017201420172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
StepsNA
Swim

Battery

Duration48 hours4+ days2-3 days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400348x250320 x 320128 x 36160 x 80
Size1.39 inches1.421.63 inches1.4 inches1.18 inches
Touch
TypeAMOLEDOLEDSuper AMOLEDOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mIP67WR30

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2Fitbit OSTizen OS
Apps
Music

All Wearables