Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Asus ZenWatch vs. Fitbit Alta HR vs. Apple Watch 8

 
Flex 2
Vivosmart HR
ZenWatch
Alta HR
Watch 8
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$100$170$150$150$499
Release20162015201420172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA7 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68320 x 320128 x 36340 x 272 or 390 x 312
Sizen/a1.08 inches1.63 inches1.4 inches1.5 inches or 1.65 inches
Touchn/a
TypeLEDn/aAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWatchOS 9
Apps
Music

All Wearables