Fitbit Alta vs. Polar A360 vs. Asus ZenWatch vs. Fitbit Flex vs. Garmin Forerunner 45

 
Alta
A360
ZenWatch
Flex
Forerunner 45
 FitbitAltaRemove Buy NowPolarA360Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy NowGarminForerunner 45Remove Buy Now

Basic Info

Suggested Price$130$200$150$100$199
Release20162015201420132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days12 daysNA5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a160 x 80320 x 320NA208 x 208
Sizen/a1.18 inches1.63 inchesNA1.04 inches
Touchn/aNA
TypeOLEDn/aAMOLEDLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR30IP551 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNABuilt-in
Apps
Music

All Wearables