Apple Watch Series 3 vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Polar A370 vs. Sony SmartBand

 
Watch Series 3
ZenWatch 3
Ionic
A370
SmartBand
 AppleWatch Series 3Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$329$229$299$179.95$100
Release20172017201720172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours48 hours4+ daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolution340 x 272 or 390 x 312400 x 400348x250160 x 80NA
Size1.5 inches or 1.65 inches1.39 inches1.421.18 inchesNA
TouchNA
TypeAMOLEDAMOLEDOLEDTFT LCDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50mWR30IP58

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Android Wear 2Fitbit OSNA
Apps
Music

All Wearables