Fitbit Flex 2 vs. Asus ZenWatch vs. Fitbit Alta HR vs. Fitbit Flex vs. Diesel On Full Guard 2.5

 
Flex 2
ZenWatch
Alta HR
Flex
On Full Guard 2.5
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$100$150$150$100$325
Release20162014201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7 days5 days4 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320128 x 36NA454x454
Sizen/a1.63 inches1.4 inchesNA1.39 inches
Touchn/aNA
TypeLEDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATM3 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables