Fitbit Alta vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Garmin Vivosport vs. Garmin Vivosmart 4

 
Alta
Flex 2
ZenWatch
Vivosport
Vivosmart 4
 FitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowGarminVivosportRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$130$100$150$199$130
Release20162016201420172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 32072 x 14448 x 128
Sizen/an/a1.63 inchesNA0.74 inches
Touchn/an/a
TypeOLEDLEDAMOLEDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP555 ATM5 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/aAndroid Wear
Apps
Music

All Wearables