ASUS ZenWatch 2 vs. Samsung Gear S2 vs. Fitbit Ionic vs. Fitbit Charge 3 vs. Polar A370

 
ZenWatch 2
Gear S2
Ionic
Charge 3
A370
 ASUSZenWatch 2Remove Buy NowSamsungGear S2Remove Buy NowFitbitIonicRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$300$299$150$179.95
Release20162015201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2-3 days4+ days7 daysUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/aNot yet

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCNA
Wi-Fi

Display

Color
Resolution320 x 320360 x 360348x25066 x 18160 x 80
Size1.63 inches or 1.45 inch1.2 inches1.42.721 inches1.18 inches
Touch
TypeAMOLEDSuper AMOLEDOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IP6850m5 ATMWR30

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearTizenFitbit OSNA
Apps
Music

All Wearables