Fitbit Blaze vs. Fitbit Flex 2 vs. ASUS ZenWatch 3 vs. Fitbit Alta HR vs. Fitbit Charge 3

 
Blaze
Flex 2
ZenWatch 3
Alta HR
Charge 3
 FitbitBlazeRemove Buy NowFitbitFlex 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitAlta HRRemove Buy NowFitbitCharge 3Remove Buy Now

Basic Info

Suggested Price$200$100$229$150$150
Release20162016201720172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 Days5 days48 hours7 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/a
Mac
WindowsNot yet

Connectivity

BluetoothYes
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a400 x 400128 x 3666 x 18
Sizen/an/a1.39 inches1.4 inches.721 inches
Touchn/a
TypeLCDLEDAMOLEDOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables