Fitbit Alta vs. ASUS ZenWatch 3 vs. Fitbit Ionic vs. Casio WSD-F20A vs. Polar A370

 
Alta
ZenWatch 3
Ionic
WSD-F20A
A370
 FitbitAltaRemove Buy NowASUSZenWatch 3Remove Buy NowFitbitIonicRemove Buy NowCasioWSD-F20ARemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$130$229$299$399$179.95
Release20162017201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days48 hours4+ days1 dayUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a400 x 400348x250320 x 320160 x 80
Sizen/a1.39 inches1.421.32 inches1.18 inches
Touchn/a
TypeOLEDAMOLEDOLEDLCDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a50m5 ATMWR30

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/aAndroid Wear 2Fitbit OSWear OS
Apps
Music

All Wearables