Fitbit Flex 2 vs. Garmin Vivosmart vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Apple Watch Ultra

 
Flex 2
Vivosmart
ZenWatch
Forerunner 235
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminVivosmartRemove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$170$150$299.99$799
Release20162014201420172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 daysNA9 days36 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 16320 x 320215 x 180502x410 pixels
Sizen/a1.41 inches1.63 inches1.23 inches1.92 inches
Touchn/a
TypeLEDOLEDAMOLEDMIP

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP555 ATM10 ATM (100 Meters)

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWatchOS 9
Apps
Music

All Wearables