ASUS ZenWatch 2 vs. Garmin Forerunner 225 vs. Fitbit Ionic vs. Jawbone UP4 vs. Polar A370

 
ZenWatch 2
Forerunner 225
Ionic
UP4
A370
 ASUSZenWatch 2Remove Buy NowGarminForerunner 225Remove Buy NowFitbitIonicRemove Buy NowJawboneUP4Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$300$299$200$179.95
Release20162015201720152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10 hours to 4 weeks4+ daysNAUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320180 x 180348x250NA160 x 80
Size1.63 inches or 1.45 inch1 inch1.42NA1.18 inches
TouchNA
TypeAMOLEDn/aOLEDNATFT LCD

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM50mNAWR30

Notifications

Phonen/a
Emailsn/an/a
Textsn/an/a

Software

Operating SystemAndroid Wearn/aFitbit OSNA
Appsn/a
Musicn/aNA

All Wearables