Fitbit One vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Polar A370 vs. Apple Watch Series 4

 
One
ZenWatch 3
Ionic
A370
Watch Series 4
 FitbitOneRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowPolarA370Remove Buy NowAppleWatch Series 4Remove Buy Now

Basic Info

Suggested Price$100$229$299$179.95$329
Release20122017201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days48 hours4+ daysUp to 3 daysNot Yet
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250160 x 80384 x 480
Sizen/a1.39 inches1.421.18 inches1.78 inches
Touch
TypeOLEDAMOLEDOLEDTFT LCDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast Resistant50mWR30Not Yet

Notifications

Phone
Emails
Texts

Software

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

All Wearables