Fitbit Flex 2 vs. Garmin Vivofit 3 vs. ASUS ZenWatch 3 vs. Diesel On Full Guard 2.5 vs. Apple Watch Ultra

 
Flex 2
Vivofit 3
ZenWatch 3
On Full Guard 2.5
Watch Ultra
 FitbitFlex 2Remove Buy NowGarminVivofit 3Remove Buy NowASUSZenWatch 3Remove Buy NowDieselOn Full Guard 2.5Remove Buy NowAppleWatch UltraRemove Buy Now

Basic Info

Suggested Price$100$100$229$325$799
Release20162016201720182022

Activity & Fitness

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

Battery

Duration5 days1 year48 hours4 days36 hrs
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a64 x 64400 x 400454x454502x410 pixels
Sizen/a0.55 inches1.39 inches1.39 inches1.92 inches
Touchn/a
TypeLEDn/aAMOLED

Functions

Audio Speaker
ClockLTPO OLED Retina
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM3 ATM10 ATM (100 Meters)

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2Wear OSWatchOS 9
Apps
Music

All Wearables